Home / 140,530.60-193,877.76-89,534.22

Finding the Fourth Proportional to 140,530.60, 193,877.76 and 89,534.22

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Solution

The fourth proportional to 140,530.60, 193,877.76 and 89,534.22 is: 123,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,530.60 : 193,877.76 = 89,534.22 : x
  2. Step 2: Convert to fraction form
    140,530.60/193,877.76 = 89,534.22/x
  3. Step 3: Cross multiply
    140,530.60x = 193,877.76 × 89,534.22
  4. Step 4: Simplify right side
    140,530.60x = 17,358,694,016.95
  5. Step 5: Solve for x
    x = 17,358,694,016.95/140,530.60
  6. Step 6: Final answer
    x = 123,522.52

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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.