Home / 130,882.62-196,282.32-42,115.50

Finding the Fourth Proportional to 130,882.62, 196,282.32 and 42,115.50

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Solution

The fourth proportional to 130,882.62, 196,282.32 and 42,115.50 is: 63,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,882.62 : 196,282.32 = 42,115.50 : x
  2. Step 2: Convert to fraction form
    130,882.62/196,282.32 = 42,115.50/x
  3. Step 3: Cross multiply
    130,882.62x = 196,282.32 × 42,115.50
  4. Step 4: Simplify right side
    130,882.62x = 8,266,528,047.96
  5. Step 5: Solve for x
    x = 8,266,528,047.96/130,882.62
  6. Step 6: Final answer
    x = 63,159.86

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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.