Home / 125,171.64-187,740.18-42,054.84

Finding the Fourth Proportional to 125,171.64, 187,740.18 and 42,054.84

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Solution

The fourth proportional to 125,171.64, 187,740.18 and 42,054.84 is: 63,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,171.64 : 187,740.18 = 42,054.84 : x
  2. Step 2: Convert to fraction form
    125,171.64/187,740.18 = 42,054.84/x
  3. Step 3: Cross multiply
    125,171.64x = 187,740.18 × 42,054.84
  4. Step 4: Simplify right side
    125,171.64x = 7,895,383,231.47
  5. Step 5: Solve for x
    x = 7,895,383,231.47/125,171.64
  6. Step 6: Final answer
    x = 63,076.45

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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.