Home / 147,421.92-221,125.20-47,580.24

Finding the Fourth Proportional to 147,421.92, 221,125.20 and 47,580.24

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Solution

The fourth proportional to 147,421.92, 221,125.20 and 47,580.24 is: 71,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,421.92 : 221,125.20 = 47,580.24 : x
  2. Step 2: Convert to fraction form
    147,421.92/221,125.20 = 47,580.24/x
  3. Step 3: Cross multiply
    147,421.92x = 221,125.20 × 47,580.24
  4. Step 4: Simplify right side
    147,421.92x = 10,521,190,086.05
  5. Step 5: Solve for x
    x = 10,521,190,086.05/147,421.92
  6. Step 6: Final answer
    x = 71,367.88

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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.