Home / 160,403.28-221,411.85-92,447.40

Finding the Fourth Proportional to 160,403.28, 221,411.85 and 92,447.40

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Solution

The fourth proportional to 160,403.28, 221,411.85 and 92,447.40 is: 127,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,403.28 : 221,411.85 = 92,447.40 : x
  2. Step 2: Convert to fraction form
    160,403.28/221,411.85 = 92,447.40/x
  3. Step 3: Cross multiply
    160,403.28x = 221,411.85 × 92,447.40
  4. Step 4: Simplify right side
    160,403.28x = 20,468,949,861.69
  5. Step 5: Solve for x
    x = 20,468,949,861.69/160,403.28
  6. Step 6: Final answer
    x = 127,609.30

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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.