Home / 102,265.26-153,397.48-31,187.69

Finding the Fourth Proportional to 102,265.26, 153,397.48 and 31,187.69

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Solution

The fourth proportional to 102,265.26, 153,397.48 and 31,187.69 is: 46,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,265.26 : 153,397.48 = 31,187.69 : x
  2. Step 2: Convert to fraction form
    102,265.26/153,397.48 = 31,187.69/x
  3. Step 3: Cross multiply
    102,265.26x = 153,397.48 × 31,187.69
  4. Step 4: Simplify right side
    102,265.26x = 4,784,113,053.02
  5. Step 5: Solve for x
    x = 4,784,113,053.02/102,265.26
  6. Step 6: Final answer
    x = 46,781.41

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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.