Home / 160,471.59-221,454.26-87,877.54

Finding the Fourth Proportional to 160,471.59, 221,454.26 and 87,877.54

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Solution

The fourth proportional to 160,471.59, 221,454.26 and 87,877.54 is: 121,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,471.59 : 221,454.26 = 87,877.54 : x
  2. Step 2: Convert to fraction form
    160,471.59/221,454.26 = 87,877.54/x
  3. Step 3: Cross multiply
    160,471.59x = 221,454.26 × 87,877.54
  4. Step 4: Simplify right side
    160,471.59x = 19,460,855,591.32
  5. Step 5: Solve for x
    x = 19,460,855,591.32/160,471.59
  6. Step 6: Final answer
    x = 121,272.90

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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.