Home / 140,131.26-193,385.23-76,473.16

Finding the Fourth Proportional to 140,131.26, 193,385.23 and 76,473.16

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Solution

The fourth proportional to 140,131.26, 193,385.23 and 76,473.16 is: 105,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,131.26 : 193,385.23 = 76,473.16 : x
  2. Step 2: Convert to fraction form
    140,131.26/193,385.23 = 76,473.16/x
  3. Step 3: Cross multiply
    140,131.26x = 193,385.23 × 76,473.16
  4. Step 4: Simplify right side
    140,131.26x = 14,788,779,635.43
  5. Step 5: Solve for x
    x = 14,788,779,635.43/140,131.26
  6. Step 6: Final answer
    x = 105,535.19

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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.