Home / 237,111.85-327,220.83-129,688.24

Finding the Fourth Proportional to 237,111.85, 327,220.83 and 129,688.24

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Solution

The fourth proportional to 237,111.85, 327,220.83 and 129,688.24 is: 178,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,111.85 : 327,220.83 = 129,688.24 : x
  2. Step 2: Convert to fraction form
    237,111.85/327,220.83 = 129,688.24/x
  3. Step 3: Cross multiply
    237,111.85x = 327,220.83 × 129,688.24
  4. Step 4: Simplify right side
    237,111.85x = 42,436,693,534.04
  5. Step 5: Solve for x
    x = 42,436,693,534.04/237,111.85
  6. Step 6: Final answer
    x = 178,973.31

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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.