Home / 112,600.13-155,366.91-69,617.07

Finding the Fourth Proportional to 112,600.13, 155,366.91 and 69,617.07

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Solution

The fourth proportional to 112,600.13, 155,366.91 and 69,617.07 is: 96,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,600.13 : 155,366.91 = 69,617.07 : x
  2. Step 2: Convert to fraction form
    112,600.13/155,366.91 = 69,617.07/x
  3. Step 3: Cross multiply
    112,600.13x = 155,366.91 × 69,617.07
  4. Step 4: Simplify right side
    112,600.13x = 10,816,189,049.15
  5. Step 5: Solve for x
    x = 10,816,189,049.15/112,600.13
  6. Step 6: Final answer
    x = 96,058.41

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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.