Home / 157,719.60-236,579.40-144,817.20

Finding the Fourth Proportional to 157,719.60, 236,579.40 and 144,817.20

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Solution

The fourth proportional to 157,719.60, 236,579.40 and 144,817.20 is: 217,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,719.60 : 236,579.40 = 144,817.20 : x
  2. Step 2: Convert to fraction form
    157,719.60/236,579.40 = 144,817.20/x
  3. Step 3: Cross multiply
    157,719.60x = 236,579.40 × 144,817.20
  4. Step 4: Simplify right side
    157,719.60x = 34,260,766,285.68
  5. Step 5: Solve for x
    x = 34,260,766,285.68/157,719.60
  6. Step 6: Final answer
    x = 217,225.80

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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.