Home / 177,849.52-245,440.20-102,422.32

Finding the Fourth Proportional to 177,849.52, 245,440.20 and 102,422.32

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Solution

The fourth proportional to 177,849.52, 245,440.20 and 102,422.32 is: 141,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,849.52 : 245,440.20 = 102,422.32 : x
  2. Step 2: Convert to fraction form
    177,849.52/245,440.20 = 102,422.32/x
  3. Step 3: Cross multiply
    177,849.52x = 245,440.20 × 102,422.32
  4. Step 4: Simplify right side
    177,849.52x = 25,138,554,705.26
  5. Step 5: Solve for x
    x = 25,138,554,705.26/177,849.52
  6. Step 6: Final answer
    x = 141,347.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.