Home / 160,138.35-220,987.04-88,516.53

Finding the Fourth Proportional to 160,138.35, 220,987.04 and 88,516.53

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Solution

The fourth proportional to 160,138.35, 220,987.04 and 88,516.53 is: 122,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,138.35 : 220,987.04 = 88,516.53 : x
  2. Step 2: Convert to fraction form
    160,138.35/220,987.04 = 88,516.53/x
  3. Step 3: Cross multiply
    160,138.35x = 220,987.04 × 88,516.53
  4. Step 4: Simplify right side
    160,138.35x = 19,561,005,513.19
  5. Step 5: Solve for x
    x = 19,561,005,513.19/160,138.35
  6. Step 6: Final answer
    x = 122,150.66

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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.