Home / 170,825,875.20-256,238,812.80-169,233,350.40

Finding the Fourth Proportional to 170,825,875.20, 256,238,812.80 and 169,233,350.40

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Solution

The fourth proportional to 170,825,875.20, 256,238,812.80 and 169,233,350.40 is: 253,850,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,825,875.20 : 256,238,812.80 = 169,233,350.40 : x
  2. Step 2: Convert to fraction form
    170,825,875.20/256,238,812.80 = 169,233,350.40/x
  3. Step 3: Cross multiply
    170,825,875.20x = 256,238,812.80 × 169,233,350.40
  4. Step 4: Simplify right side
    170,825,875.20x = 43,364,152,792,662,408
  5. Step 5: Solve for x
    x = 43,364,152,792,662,408/170,825,875.20
  6. Step 6: Final answer
    x = 253,850,025.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.