Home / 158,709.24-238,065.28-40,380.46

Finding the Fourth Proportional to 158,709.24, 238,065.28 and 40,380.46

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Solution

The fourth proportional to 158,709.24, 238,065.28 and 40,380.46 is: 60,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,709.24 : 238,065.28 = 40,380.46 : x
  2. Step 2: Convert to fraction form
    158,709.24/238,065.28 = 40,380.46/x
  3. Step 3: Cross multiply
    158,709.24x = 238,065.28 × 40,380.46
  4. Step 4: Simplify right side
    158,709.24x = 9,613,184,820.31
  5. Step 5: Solve for x
    x = 9,613,184,820.31/158,709.24
  6. Step 6: Final answer
    x = 60,571.05

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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.