Home / 98,205.18-147,316.26-27,127.80

Finding the Fourth Proportional to 98,205.18, 147,316.26 and 27,127.80

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Solution

The fourth proportional to 98,205.18, 147,316.26 and 27,127.80 is: 40,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,205.18 : 147,316.26 = 27,127.80 : x
  2. Step 2: Convert to fraction form
    98,205.18/147,316.26 = 27,127.80/x
  3. Step 3: Cross multiply
    98,205.18x = 147,316.26 × 27,127.80
  4. Step 4: Simplify right side
    98,205.18x = 3,996,366,139.76
  5. Step 5: Solve for x
    x = 3,996,366,139.76/98,205.18
  6. Step 6: Final answer
    x = 40,694.04

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1.5x scale

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.