Home / 142,907.52-197,217.60-107,034.24

Finding the Fourth Proportional to 142,907.52, 197,217.60 and 107,034.24

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Solution

The fourth proportional to 142,907.52, 197,217.60 and 107,034.24 is: 147,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,907.52 : 197,217.60 = 107,034.24 : x
  2. Step 2: Convert to fraction form
    142,907.52/197,217.60 = 107,034.24/x
  3. Step 3: Cross multiply
    142,907.52x = 197,217.60 × 107,034.24
  4. Step 4: Simplify right side
    142,907.52x = 21,109,035,930.62
  5. Step 5: Solve for x
    x = 21,109,035,930.62/142,907.52
  6. Step 6: Final answer
    x = 147,711.16

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1.5x scale

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.