Home / 98,199.36-147,219.04-45,641.92

Finding the Fourth Proportional to 98,199.36, 147,219.04 and 45,641.92

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Solution

The fourth proportional to 98,199.36, 147,219.04 and 45,641.92 is: 68,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,199.36 : 147,219.04 = 45,641.92 : x
  2. Step 2: Convert to fraction form
    98,199.36/147,219.04 = 45,641.92/x
  3. Step 3: Cross multiply
    98,199.36x = 147,219.04 × 45,641.92
  4. Step 4: Simplify right side
    98,199.36x = 6,719,359,646.16
  5. Step 5: Solve for x
    x = 6,719,359,646.16/98,199.36
  6. Step 6: Final answer
    x = 68,425.70

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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.