Home / 237,118.34-327,218.70-129,688.04

Finding the Fourth Proportional to 237,118.34, 327,218.70 and 129,688.04

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Solution

The fourth proportional to 237,118.34, 327,218.70 and 129,688.04 is: 178,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,118.34 : 327,218.70 = 129,688.04 : x
  2. Step 2: Convert to fraction form
    237,118.34/327,218.70 = 129,688.04/x
  3. Step 3: Cross multiply
    237,118.34x = 327,218.70 × 129,688.04
  4. Step 4: Simplify right side
    237,118.34x = 42,436,351,854.35
  5. Step 5: Solve for x
    x = 42,436,351,854.35/237,118.34
  6. Step 6: Final answer
    x = 178,966.97

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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.