Home / 258,175.65-386,702.66-124,776.14

Finding the Fourth Proportional to 258,175.65, 386,702.66 and 124,776.14

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Solution

The fourth proportional to 258,175.65, 386,702.66 and 124,776.14 is: 186,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,175.65 : 386,702.66 = 124,776.14 : x
  2. Step 2: Convert to fraction form
    258,175.65/386,702.66 = 124,776.14/x
  3. Step 3: Cross multiply
    258,175.65x = 386,702.66 × 124,776.14
  4. Step 4: Simplify right side
    258,175.65x = 48,251,265,242.53
  5. Step 5: Solve for x
    x = 48,251,265,242.53/258,175.65
  6. Step 6: Final answer
    x = 186,893.17

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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.