Home / 117,587.68-162,266.38-69,839.80

Finding the Fourth Proportional to 117,587.68, 162,266.38 and 69,839.80

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Solution

The fourth proportional to 117,587.68, 162,266.38 and 69,839.80 is: 96,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.68 : 162,266.38 = 69,839.80 : x
  2. Step 2: Convert to fraction form
    117,587.68/162,266.38 = 69,839.80/x
  3. Step 3: Cross multiply
    117,587.68x = 162,266.38 × 69,839.80
  4. Step 4: Simplify right side
    117,587.68x = 11,332,651,525.92
  5. Step 5: Solve for x
    x = 11,332,651,525.92/117,587.68
  6. Step 6: Final answer
    x = 96,376.18

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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.