Home / 506,121.12-759,166.84-132,144.08

Finding the Fourth Proportional to 506,121.12, 759,166.84 and 132,144.08

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Solution

The fourth proportional to 506,121.12, 759,166.84 and 132,144.08 is: 198,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,121.12 : 759,166.84 = 132,144.08 : x
  2. Step 2: Convert to fraction form
    506,121.12/759,166.84 = 132,144.08/x
  3. Step 3: Cross multiply
    506,121.12x = 759,166.84 × 132,144.08
  4. Step 4: Simplify right side
    506,121.12x = 100,319,403,638.31
  5. Step 5: Solve for x
    x = 100,319,403,638.31/506,121.12
  6. Step 6: Final answer
    x = 198,212.25

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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.