Home / 154,938.80-232,429.80-66,191.60

Finding the Fourth Proportional to 154,938.80, 232,429.80 and 66,191.60

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Solution

The fourth proportional to 154,938.80, 232,429.80 and 66,191.60 is: 99,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,938.80 : 232,429.80 = 66,191.60 : x
  2. Step 2: Convert to fraction form
    154,938.80/232,429.80 = 66,191.60/x
  3. Step 3: Cross multiply
    154,938.80x = 232,429.80 × 66,191.60
  4. Step 4: Simplify right side
    154,938.80x = 15,384,900,349.68
  5. Step 5: Solve for x
    x = 15,384,900,349.68/154,938.80
  6. Step 6: Final answer
    x = 99,296.63

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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.