Home / 112,521.68-155,177.16-96,601.04

Finding the Fourth Proportional to 112,521.68, 155,177.16 and 96,601.04

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Solution

The fourth proportional to 112,521.68, 155,177.16 and 96,601.04 is: 133,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521.68 : 155,177.16 = 96,601.04 : x
  2. Step 2: Convert to fraction form
    112,521.68/155,177.16 = 96,601.04/x
  3. Step 3: Cross multiply
    112,521.68x = 155,177.16 × 96,601.04
  4. Step 4: Simplify right side
    112,521.68x = 14,990,275,040.25
  5. Step 5: Solve for x
    x = 14,990,275,040.25/112,521.68
  6. Step 6: Final answer
    x = 133,221.22

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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.