Home / 187,298.20-280,947.30-124,312.60

Finding the Fourth Proportional to 187,298.20, 280,947.30 and 124,312.60

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Solution

The fourth proportional to 187,298.20, 280,947.30 and 124,312.60 is: 186,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,298.20 : 280,947.30 = 124,312.60 : x
  2. Step 2: Convert to fraction form
    187,298.20/280,947.30 = 124,312.60/x
  3. Step 3: Cross multiply
    187,298.20x = 280,947.30 × 124,312.60
  4. Step 4: Simplify right side
    187,298.20x = 34,925,289,325.98
  5. Step 5: Solve for x
    x = 34,925,289,325.98/187,298.20
  6. Step 6: Final answer
    x = 186,468.90

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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.