Home / 158,043.12-218,083.08-94,372.24

Finding the Fourth Proportional to 158,043.12, 218,083.08 and 94,372.24

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Solution

The fourth proportional to 158,043.12, 218,083.08 and 94,372.24 is: 130,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,043.12 : 218,083.08 = 94,372.24 : x
  2. Step 2: Convert to fraction form
    158,043.12/218,083.08 = 94,372.24/x
  3. Step 3: Cross multiply
    158,043.12x = 218,083.08 × 94,372.24
  4. Step 4: Simplify right side
    158,043.12x = 20,580,988,765.70
  5. Step 5: Solve for x
    x = 20,580,988,765.70/158,043.12
  6. Step 6: Final answer
    x = 130,223.88

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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.