Home / 346,737.20-520,147.24-147,031.63

Finding the Fourth Proportional to 346,737.20, 520,147.24 and 147,031.63

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Solution

The fourth proportional to 346,737.20, 520,147.24 and 147,031.63 is: 220,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,737.20 : 520,147.24 = 147,031.63 : x
  2. Step 2: Convert to fraction form
    346,737.20/520,147.24 = 147,031.63/x
  3. Step 3: Cross multiply
    346,737.20x = 520,147.24 × 147,031.63
  4. Step 4: Simplify right side
    346,737.20x = 76,478,094,869.25
  5. Step 5: Solve for x
    x = 76,478,094,869.25/346,737.20
  6. Step 6: Final answer
    x = 220,565.02

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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.