Home / 115,869.40-173,868.90-49,298.20

Finding the Fourth Proportional to 115,869.40, 173,868.90 and 49,298.20

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Solution

The fourth proportional to 115,869.40, 173,868.90 and 49,298.20 is: 73,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,869.40 : 173,868.90 = 49,298.20 : x
  2. Step 2: Convert to fraction form
    115,869.40/173,868.90 = 49,298.20/x
  3. Step 3: Cross multiply
    115,869.40x = 173,868.90 × 49,298.20
  4. Step 4: Simplify right side
    115,869.40x = 8,571,423,805.98
  5. Step 5: Solve for x
    x = 8,571,423,805.98/115,869.40
  6. Step 6: Final answer
    x = 73,974.87

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1.5x scale

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.