Home / 140,088.68-193,295.92-83,505.32

Finding the Fourth Proportional to 140,088.68, 193,295.92 and 83,505.32

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Solution

The fourth proportional to 140,088.68, 193,295.92 and 83,505.32 is: 115,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,088.68 : 193,295.92 = 83,505.32 : x
  2. Step 2: Convert to fraction form
    140,088.68/193,295.92 = 83,505.32/x
  3. Step 3: Cross multiply
    140,088.68x = 193,295.92 × 83,505.32
  4. Step 4: Simplify right side
    140,088.68x = 16,141,237,654.29
  5. Step 5: Solve for x
    x = 16,141,237,654.29/140,088.68
  6. Step 6: Final answer
    x = 115,221.57

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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.