Home / 189,476.82-261,521.98-124,957.70

Finding the Fourth Proportional to 189,476.82, 261,521.98 and 124,957.70

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Solution

The fourth proportional to 189,476.82, 261,521.98 and 124,957.70 is: 172,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,476.82 : 261,521.98 = 124,957.70 : x
  2. Step 2: Convert to fraction form
    189,476.82/261,521.98 = 124,957.70/x
  3. Step 3: Cross multiply
    189,476.82x = 261,521.98 × 124,957.70
  4. Step 4: Simplify right side
    189,476.82x = 32,679,185,149.26
  5. Step 5: Solve for x
    x = 32,679,185,149.26/189,476.82
  6. Step 6: Final answer
    x = 172,470.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.