Home / 125,278.13-187,913.54-46,390.61

Finding the Fourth Proportional to 125,278.13, 187,913.54 and 46,390.61

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Solution

The fourth proportional to 125,278.13, 187,913.54 and 46,390.61 is: 69,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,278.13 : 187,913.54 = 46,390.61 : x
  2. Step 2: Convert to fraction form
    125,278.13/187,913.54 = 46,390.61/x
  3. Step 3: Cross multiply
    125,278.13x = 187,913.54 × 46,390.61
  4. Step 4: Simplify right side
    125,278.13x = 8,717,422,808.29
  5. Step 5: Solve for x
    x = 8,717,422,808.29/125,278.13
  6. Step 6: Final answer
    x = 69,584.56

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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.