Home / 106,468.80-146,853.27-86,326.53

Finding the Fourth Proportional to 106,468.80, 146,853.27 and 86,326.53

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Solution

The fourth proportional to 106,468.80, 146,853.27 and 86,326.53 is: 119,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,468.80 : 146,853.27 = 86,326.53 : x
  2. Step 2: Convert to fraction form
    106,468.80/146,853.27 = 86,326.53/x
  3. Step 3: Cross multiply
    106,468.80x = 146,853.27 × 86,326.53
  4. Step 4: Simplify right side
    106,468.80x = 12,677,333,218.25
  5. Step 5: Solve for x
    x = 12,677,333,218.25/106,468.80
  6. Step 6: Final answer
    x = 119,070.88

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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.