Home / 160,557.16-221,568.90-88,941.82

Finding the Fourth Proportional to 160,557.16, 221,568.90 and 88,941.82

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Solution

The fourth proportional to 160,557.16, 221,568.90 and 88,941.82 is: 122,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,557.16 : 221,568.90 = 88,941.82 : x
  2. Step 2: Convert to fraction form
    160,557.16/221,568.90 = 88,941.82/x
  3. Step 3: Cross multiply
    160,557.16x = 221,568.90 × 88,941.82
  4. Step 4: Simplify right side
    160,557.16x = 19,706,741,221.40
  5. Step 5: Solve for x
    x = 19,706,741,221.40/160,557.16
  6. Step 6: Final answer
    x = 122,739.72

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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.