Home / 158,540.20-237,810.30-83,631.40

Finding the Fourth Proportional to 158,540.20, 237,810.30 and 83,631.40

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Solution

The fourth proportional to 158,540.20, 237,810.30 and 83,631.40 is: 125,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,540.20 : 237,810.30 = 83,631.40 : x
  2. Step 2: Convert to fraction form
    158,540.20/237,810.30 = 83,631.40/x
  3. Step 3: Cross multiply
    158,540.20x = 237,810.30 × 83,631.40
  4. Step 4: Simplify right side
    158,540.20x = 19,888,408,323.42
  5. Step 5: Solve for x
    x = 19,888,408,323.42/158,540.20
  6. Step 6: Final answer
    x = 125,447.10

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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.