Home / 158,410.12-237,615.69-40,081.45

Finding the Fourth Proportional to 158,410.12, 237,615.69 and 40,081.45

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Solution

The fourth proportional to 158,410.12, 237,615.69 and 40,081.45 is: 60,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,410.12 : 237,615.69 = 40,081.45 : x
  2. Step 2: Convert to fraction form
    158,410.12/237,615.69 = 40,081.45/x
  3. Step 3: Cross multiply
    158,410.12x = 237,615.69 × 40,081.45
  4. Step 4: Simplify right side
    158,410.12x = 9,523,981,397.95
  5. Step 5: Solve for x
    x = 9,523,981,397.95/158,410.12
  6. Step 6: Final answer
    x = 60,122.30

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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.