Home / 113,781.30-156,950.54-73,518.80

Finding the Fourth Proportional to 113,781.30, 156,950.54 and 73,518.80

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Solution

The fourth proportional to 113,781.30, 156,950.54 and 73,518.80 is: 101,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,781.30 : 156,950.54 = 73,518.80 : x
  2. Step 2: Convert to fraction form
    113,781.30/156,950.54 = 73,518.80/x
  3. Step 3: Cross multiply
    113,781.30x = 156,950.54 × 73,518.80
  4. Step 4: Simplify right side
    113,781.30x = 11,538,815,360.15
  5. Step 5: Solve for x
    x = 11,538,815,360.15/113,781.30
  6. Step 6: Final answer
    x = 101,412.23

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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.