Home / 158,687.72-238,030.55-40,358.03

Finding the Fourth Proportional to 158,687.72, 238,030.55 and 40,358.03

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Solution

The fourth proportional to 158,687.72, 238,030.55 and 40,358.03 is: 60,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,687.72 : 238,030.55 = 40,358.03 : x
  2. Step 2: Convert to fraction form
    158,687.72/238,030.55 = 40,358.03/x
  3. Step 3: Cross multiply
    158,687.72x = 238,030.55 × 40,358.03
  4. Step 4: Simplify right side
    158,687.72x = 9,606,442,685.87
  5. Step 5: Solve for x
    x = 9,606,442,685.87/158,687.72
  6. Step 6: Final answer
    x = 60,536.78

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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.