Home / 98,299.64-147,430.02-28,186.04

Finding the Fourth Proportional to 98,299.64, 147,430.02 and 28,186.04

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Solution

The fourth proportional to 98,299.64, 147,430.02 and 28,186.04 is: 42,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,299.64 : 147,430.02 = 28,186.04 : x
  2. Step 2: Convert to fraction form
    98,299.64/147,430.02 = 28,186.04/x
  3. Step 3: Cross multiply
    98,299.64x = 147,430.02 × 28,186.04
  4. Step 4: Simplify right side
    98,299.64x = 4,155,468,440.92
  5. Step 5: Solve for x
    x = 4,155,468,440.92/98,299.64
  6. Step 6: Final answer
    x = 42,273.49

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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.