Home / 113,925.67-157,193.38-66,154.30

Finding the Fourth Proportional to 113,925.67, 157,193.38 and 66,154.30

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Solution

The fourth proportional to 113,925.67, 157,193.38 and 66,154.30 is: 91,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,925.67 : 157,193.38 = 66,154.30 : x
  2. Step 2: Convert to fraction form
    113,925.67/157,193.38 = 66,154.30/x
  3. Step 3: Cross multiply
    113,925.67x = 157,193.38 × 66,154.30
  4. Step 4: Simplify right side
    113,925.67x = 10,399,018,018.53
  5. Step 5: Solve for x
    x = 10,399,018,018.53/113,925.67
  6. Step 6: Final answer
    x = 91,278.97

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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.