Home / 157,081.20-235,158.88-103,674.66

Finding the Fourth Proportional to 157,081.20, 235,158.88 and 103,674.66

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Solution

The fourth proportional to 157,081.20, 235,158.88 and 103,674.66 is: 155,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,081.20 : 235,158.88 = 103,674.66 : x
  2. Step 2: Convert to fraction form
    157,081.20/235,158.88 = 103,674.66/x
  3. Step 3: Cross multiply
    157,081.20x = 235,158.88 × 103,674.66
  4. Step 4: Simplify right side
    157,081.20x = 24,380,016,929.98
  5. Step 5: Solve for x
    x = 24,380,016,929.98/157,081.20
  6. Step 6: Final answer
    x = 155,206.46

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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.