Home / 151,320.52-208,891.61-107,741.34

Finding the Fourth Proportional to 151,320.52, 208,891.61 and 107,741.34

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Solution

The fourth proportional to 151,320.52, 208,891.61 and 107,741.34 is: 148,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,320.52 : 208,891.61 = 107,741.34 : x
  2. Step 2: Convert to fraction form
    151,320.52/208,891.61 = 107,741.34/x
  3. Step 3: Cross multiply
    151,320.52x = 208,891.61 × 107,741.34
  4. Step 4: Simplify right side
    151,320.52x = 22,506,261,841.48
  5. Step 5: Solve for x
    x = 22,506,261,841.48/151,320.52
  6. Step 6: Final answer
    x = 148,732.38

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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.