Home / 103,681.02-155,565.29-95,405.97

Finding the Fourth Proportional to 103,681.02, 155,565.29 and 95,405.97

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Solution

The fourth proportional to 103,681.02, 155,565.29 and 95,405.97 is: 143,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.02 : 155,565.29 = 95,405.97 : x
  2. Step 2: Convert to fraction form
    103,681.02/155,565.29 = 95,405.97/x
  3. Step 3: Cross multiply
    103,681.02x = 155,565.29 × 95,405.97
  4. Step 4: Simplify right side
    103,681.02x = 14,841,857,390.78
  5. Step 5: Solve for x
    x = 14,841,857,390.78/103,681.02
  6. Step 6: Final answer
    x = 143,149.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.