Home / 147,345.20-220,888.20-88,204.40

Finding the Fourth Proportional to 147,345.20, 220,888.20 and 88,204.40

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Solution

The fourth proportional to 147,345.20, 220,888.20 and 88,204.40 is: 132,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,345.20 : 220,888.20 = 88,204.40 : x
  2. Step 2: Convert to fraction form
    147,345.20/220,888.20 = 88,204.40/x
  3. Step 3: Cross multiply
    147,345.20x = 220,888.20 × 88,204.40
  4. Step 4: Simplify right side
    147,345.20x = 19,483,311,148.08
  5. Step 5: Solve for x
    x = 19,483,311,148.08/147,345.20
  6. Step 6: Final answer
    x = 132,229.02

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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.