Home / 157,101.48-235,652.22-129,341.16

Finding the Fourth Proportional to 157,101.48, 235,652.22 and 129,341.16

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Solution

The fourth proportional to 157,101.48, 235,652.22 and 129,341.16 is: 194,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,101.48 : 235,652.22 = 129,341.16 : x
  2. Step 2: Convert to fraction form
    157,101.48/235,652.22 = 129,341.16/x
  3. Step 3: Cross multiply
    157,101.48x = 235,652.22 × 129,341.16
  4. Step 4: Simplify right side
    157,101.48x = 30,479,531,491.38
  5. Step 5: Solve for x
    x = 30,479,531,491.38/157,101.48
  6. Step 6: Final answer
    x = 194,011.74

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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.