Home / 171,685.40-257,441.70-101,586.20

Finding the Fourth Proportional to 171,685.40, 257,441.70 and 101,586.20

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Solution

The fourth proportional to 171,685.40, 257,441.70 and 101,586.20 is: 152,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,685.40 : 257,441.70 = 101,586.20 : x
  2. Step 2: Convert to fraction form
    171,685.40/257,441.70 = 101,586.20/x
  3. Step 3: Cross multiply
    171,685.40x = 257,441.70 × 101,586.20
  4. Step 4: Simplify right side
    171,685.40x = 26,152,524,024.54
  5. Step 5: Solve for x
    x = 26,152,524,024.54/171,685.40
  6. Step 6: Final answer
    x = 152,328.18

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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.