Home / 158,875.40-238,191.60-80,046.20

Finding the Fourth Proportional to 158,875.40, 238,191.60 and 80,046.20

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Solution

The fourth proportional to 158,875.40, 238,191.60 and 80,046.20 is: 120,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,875.40 : 238,191.60 = 80,046.20 : x
  2. Step 2: Convert to fraction form
    158,875.40/238,191.60 = 80,046.20/x
  3. Step 3: Cross multiply
    158,875.40x = 238,191.60 × 80,046.20
  4. Step 4: Simplify right side
    158,875.40x = 19,066,332,451.92
  5. Step 5: Solve for x
    x = 19,066,332,451.92/158,875.40
  6. Step 6: Final answer
    x = 120,008.08

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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.