Home / 154,023.89-230,510.14-129,092.09

Finding the Fourth Proportional to 154,023.89, 230,510.14 and 129,092.09

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Solution

The fourth proportional to 154,023.89, 230,510.14 and 129,092.09 is: 193,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,023.89 : 230,510.14 = 129,092.09 : x
  2. Step 2: Convert to fraction form
    154,023.89/230,510.14 = 129,092.09/x
  3. Step 3: Cross multiply
    154,023.89x = 230,510.14 × 129,092.09
  4. Step 4: Simplify right side
    154,023.89x = 29,757,034,263.51
  5. Step 5: Solve for x
    x = 29,757,034,263.51/154,023.89
  6. Step 6: Final answer
    x = 193,197.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.