Home / 98,841.20-148,272.60-95,730.80

Finding the Fourth Proportional to 98,841.20, 148,272.60 and 95,730.80

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Solution

The fourth proportional to 98,841.20, 148,272.60 and 95,730.80 is: 143,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,841.20 : 148,272.60 = 95,730.80 : x
  2. Step 2: Convert to fraction form
    98,841.20/148,272.60 = 95,730.80/x
  3. Step 3: Cross multiply
    98,841.20x = 148,272.60 × 95,730.80
  4. Step 4: Simplify right side
    98,841.20x = 14,194,254,616.08
  5. Step 5: Solve for x
    x = 14,194,254,616.08/98,841.20
  6. Step 6: Final answer
    x = 143,606.66

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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.