Home / 125,845.83-188,590.77-69,711.66

Finding the Fourth Proportional to 125,845.83, 188,590.77 and 69,711.66

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Solution

The fourth proportional to 125,845.83, 188,590.77 and 69,711.66 is: 104,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,845.83 : 188,590.77 = 69,711.66 : x
  2. Step 2: Convert to fraction form
    125,845.83/188,590.77 = 69,711.66/x
  3. Step 3: Cross multiply
    125,845.83x = 188,590.77 × 69,711.66
  4. Step 4: Simplify right side
    125,845.83x = 13,146,975,637.38
  5. Step 5: Solve for x
    x = 13,146,975,637.38/125,845.83
  6. Step 6: Final answer
    x = 104,468.90

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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.