Home / 106,412.60-159,618.90-88,916.60

Finding the Fourth Proportional to 106,412.60, 159,618.90 and 88,916.60

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Solution

The fourth proportional to 106,412.60, 159,618.90 and 88,916.60 is: 133,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412.60 : 159,618.90 = 88,916.60 : x
  2. Step 2: Convert to fraction form
    106,412.60/159,618.90 = 88,916.60/x
  3. Step 3: Cross multiply
    106,412.60x = 159,618.90 × 88,916.60
  4. Step 4: Simplify right side
    106,412.60x = 14,192,769,883.74
  5. Step 5: Solve for x
    x = 14,192,769,883.74/106,412.60
  6. Step 6: Final answer
    x = 133,374.90

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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.