Home / 160,650.38-221,697.20-92,666.28

Finding the Fourth Proportional to 160,650.38, 221,697.20 and 92,666.28

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Solution

The fourth proportional to 160,650.38, 221,697.20 and 92,666.28 is: 127,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,650.38 : 221,697.20 = 92,666.28 : x
  2. Step 2: Convert to fraction form
    160,650.38/221,697.20 = 92,666.28/x
  3. Step 3: Cross multiply
    160,650.38x = 221,697.20 × 92,666.28
  4. Step 4: Simplify right side
    160,650.38x = 20,543,854,810.42
  5. Step 5: Solve for x
    x = 20,543,854,810.42/160,650.38
  6. Step 6: Final answer
    x = 127,879.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.