Home / 159,098.16-219,558.94-87,482.82

Finding the Fourth Proportional to 159,098.16, 219,558.94 and 87,482.82

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Solution

The fourth proportional to 159,098.16, 219,558.94 and 87,482.82 is: 120,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,098.16 : 219,558.94 = 87,482.82 : x
  2. Step 2: Convert to fraction form
    159,098.16/219,558.94 = 87,482.82/x
  3. Step 3: Cross multiply
    159,098.16x = 219,558.94 × 87,482.82
  4. Step 4: Simplify right side
    159,098.16x = 19,207,635,227.41
  5. Step 5: Solve for x
    x = 19,207,635,227.41/159,098.16
  6. Step 6: Final answer
    x = 120,728.20

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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.