Home / 131,296.16-196,902.92-42,529.08

Finding the Fourth Proportional to 131,296.16, 196,902.92 and 42,529.08

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Solution

The fourth proportional to 131,296.16, 196,902.92 and 42,529.08 is: 63,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,296.16 : 196,902.92 = 42,529.08 : x
  2. Step 2: Convert to fraction form
    131,296.16/196,902.92 = 42,529.08/x
  3. Step 3: Cross multiply
    131,296.16x = 196,902.92 × 42,529.08
  4. Step 4: Simplify right side
    131,296.16x = 8,374,100,036.91
  5. Step 5: Solve for x
    x = 8,374,100,036.91/131,296.16
  6. Step 6: Final answer
    x = 63,780.24

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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.