Home / 148,828.61-205,377.59-88,397.66

Finding the Fourth Proportional to 148,828.61, 205,377.59 and 88,397.66

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Solution

The fourth proportional to 148,828.61, 205,377.59 and 88,397.66 is: 121,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,828.61 : 205,377.59 = 88,397.66 : x
  2. Step 2: Convert to fraction form
    148,828.61/205,377.59 = 88,397.66/x
  3. Step 3: Cross multiply
    148,828.61x = 205,377.59 × 88,397.66
  4. Step 4: Simplify right side
    148,828.61x = 18,154,897,566.55
  5. Step 5: Solve for x
    x = 18,154,897,566.55/148,828.61
  6. Step 6: Final answer
    x = 121,985.26

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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.