Home / 103,655.12-155,233.51-59,146.93

Finding the Fourth Proportional to 103,655.12, 155,233.51 and 59,146.93

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Solution

The fourth proportional to 103,655.12, 155,233.51 and 59,146.93 is: 88,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.12 : 155,233.51 = 59,146.93 : x
  2. Step 2: Convert to fraction form
    103,655.12/155,233.51 = 59,146.93/x
  3. Step 3: Cross multiply
    103,655.12x = 155,233.51 × 59,146.93
  4. Step 4: Simplify right side
    103,655.12x = 9,181,585,549.62
  5. Step 5: Solve for x
    x = 9,181,585,549.62/103,655.12
  6. Step 6: Final answer
    x = 88,578.22

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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.