Home / 113,801.18-157,008.17-73,538.66

Finding the Fourth Proportional to 113,801.18, 157,008.17 and 73,538.66

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Solution

The fourth proportional to 113,801.18, 157,008.17 and 73,538.66 is: 101,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.18 : 157,008.17 = 73,538.66 : x
  2. Step 2: Convert to fraction form
    113,801.18/157,008.17 = 73,538.66/x
  3. Step 3: Cross multiply
    113,801.18x = 157,008.17 × 73,538.66
  4. Step 4: Simplify right side
    113,801.18x = 11,546,170,430.85
  5. Step 5: Solve for x
    x = 11,546,170,430.85/113,801.18
  6. Step 6: Final answer
    x = 101,459.15

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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.