Home / 179,711.20-248,000.74-99,143.74

Finding the Fourth Proportional to 179,711.20, 248,000.74 and 99,143.74

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Solution

The fourth proportional to 179,711.20, 248,000.74 and 99,143.74 is: 136,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,711.20 : 248,000.74 = 99,143.74 : x
  2. Step 2: Convert to fraction form
    179,711.20/248,000.74 = 99,143.74/x
  3. Step 3: Cross multiply
    179,711.20x = 248,000.74 × 99,143.74
  4. Step 4: Simplify right side
    179,711.20x = 24,587,720,886.37
  5. Step 5: Solve for x
    x = 24,587,720,886.37/179,711.20
  6. Step 6: Final answer
    x = 136,817.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.