Home / 148,934.93-205,531.58-80,952.05

Finding the Fourth Proportional to 148,934.93, 205,531.58 and 80,952.05

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Solution

The fourth proportional to 148,934.93, 205,531.58 and 80,952.05 is: 111,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,934.93 : 205,531.58 = 80,952.05 : x
  2. Step 2: Convert to fraction form
    148,934.93/205,531.58 = 80,952.05/x
  3. Step 3: Cross multiply
    148,934.93x = 205,531.58 × 80,952.05
  4. Step 4: Simplify right side
    148,934.93x = 16,638,202,740.74
  5. Step 5: Solve for x
    x = 16,638,202,740.74/148,934.93
  6. Step 6: Final answer
    x = 111,714.58

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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.