Home / 170,131.28-234,781.26-98,515.10

Finding the Fourth Proportional to 170,131.28, 234,781.26 and 98,515.10

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Solution

The fourth proportional to 170,131.28, 234,781.26 and 98,515.10 is: 135,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,131.28 : 234,781.26 = 98,515.10 : x
  2. Step 2: Convert to fraction form
    170,131.28/234,781.26 = 98,515.10/x
  3. Step 3: Cross multiply
    170,131.28x = 234,781.26 × 98,515.10
  4. Step 4: Simplify right side
    170,131.28x = 23,129,499,307.03
  5. Step 5: Solve for x
    x = 23,129,499,307.03/170,131.28
  6. Step 6: Final answer
    x = 135,950.89

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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.