Home / 312,579.95-468,869.92-112,899.56

Finding the Fourth Proportional to 312,579.95, 468,869.92 and 112,899.56

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Solution

The fourth proportional to 312,579.95, 468,869.92 and 112,899.56 is: 169,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,579.95 : 468,869.92 = 112,899.56 : x
  2. Step 2: Convert to fraction form
    312,579.95/468,869.92 = 112,899.56/x
  3. Step 3: Cross multiply
    312,579.95x = 468,869.92 × 112,899.56
  4. Step 4: Simplify right side
    312,579.95x = 52,935,205,038.64
  5. Step 5: Solve for x
    x = 52,935,205,038.64/312,579.95
  6. Step 6: Final answer
    x = 169,349.33

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Similar ratio
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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.