Home / 147,931.20-221,925.60-63,691.20

Finding the Fourth Proportional to 147,931.20, 221,925.60 and 63,691.20

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Solution

The fourth proportional to 147,931.20, 221,925.60 and 63,691.20 is: 95,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,931.20 : 221,925.60 = 63,691.20 : x
  2. Step 2: Convert to fraction form
    147,931.20/221,925.60 = 63,691.20/x
  3. Step 3: Cross multiply
    147,931.20x = 221,925.60 × 63,691.20
  4. Step 4: Simplify right side
    147,931.20x = 14,134,707,774.72
  5. Step 5: Solve for x
    x = 14,134,707,774.72/147,931.20
  6. Step 6: Final answer
    x = 95,549.20

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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.