Home / 147,097.80-220,646.70-88,000.20

Finding the Fourth Proportional to 147,097.80, 220,646.70 and 88,000.20

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Solution

The fourth proportional to 147,097.80, 220,646.70 and 88,000.20 is: 132,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,097.80 : 220,646.70 = 88,000.20 : x
  2. Step 2: Convert to fraction form
    147,097.80/220,646.70 = 88,000.20/x
  3. Step 3: Cross multiply
    147,097.80x = 220,646.70 × 88,000.20
  4. Step 4: Simplify right side
    147,097.80x = 19,416,953,729.34
  5. Step 5: Solve for x
    x = 19,416,953,729.34/147,097.80
  6. Step 6: Final answer
    x = 132,000.30

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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.