Home / 158,089.24-218,170.14-91,042.84

Finding the Fourth Proportional to 158,089.24, 218,170.14 and 91,042.84

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Solution

The fourth proportional to 158,089.24, 218,170.14 and 91,042.84 is: 125,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,089.24 : 218,170.14 = 91,042.84 : x
  2. Step 2: Convert to fraction form
    158,089.24/218,170.14 = 91,042.84/x
  3. Step 3: Cross multiply
    158,089.24x = 218,170.14 × 91,042.84
  4. Step 4: Simplify right side
    158,089.24x = 19,862,829,148.80
  5. Step 5: Solve for x
    x = 19,862,829,148.80/158,089.24
  6. Step 6: Final answer
    x = 125,643.14

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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.