Home / 179,237.80-268,856.70-137,247.40

Finding the Fourth Proportional to 179,237.80, 268,856.70 and 137,247.40

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Solution

The fourth proportional to 179,237.80, 268,856.70 and 137,247.40 is: 205,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,237.80 : 268,856.70 = 137,247.40 : x
  2. Step 2: Convert to fraction form
    179,237.80/268,856.70 = 137,247.40/x
  3. Step 3: Cross multiply
    179,237.80x = 268,856.70 × 137,247.40
  4. Step 4: Simplify right side
    179,237.80x = 36,899,883,047.58
  5. Step 5: Solve for x
    x = 36,899,883,047.58/179,237.80
  6. Step 6: Final answer
    x = 205,871.10

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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.