Home / 115,358.40-173,008.80-44,265.60

Finding the Fourth Proportional to 115,358.40, 173,008.80 and 44,265.60

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Solution

The fourth proportional to 115,358.40, 173,008.80 and 44,265.60 is: 66,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,358.40 : 173,008.80 = 44,265.60 : x
  2. Step 2: Convert to fraction form
    115,358.40/173,008.80 = 44,265.60/x
  3. Step 3: Cross multiply
    115,358.40x = 173,008.80 × 44,265.60
  4. Step 4: Simplify right side
    115,358.40x = 7,658,338,337.28
  5. Step 5: Solve for x
    x = 7,658,338,337.28/115,358.40
  6. Step 6: Final answer
    x = 66,387.35

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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.