Home / 140,531.64-193,999.02-83,152.92

Finding the Fourth Proportional to 140,531.64, 193,999.02 and 83,152.92

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Solution

The fourth proportional to 140,531.64, 193,999.02 and 83,152.92 is: 114,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,531.64 : 193,999.02 = 83,152.92 : x
  2. Step 2: Convert to fraction form
    140,531.64/193,999.02 = 83,152.92/x
  3. Step 3: Cross multiply
    140,531.64x = 193,999.02 × 83,152.92
  4. Step 4: Simplify right side
    140,531.64x = 16,131,584,990.14
  5. Step 5: Solve for x
    x = 16,131,584,990.14/140,531.64
  6. Step 6: Final answer
    x = 114,789.70

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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.