Home / 154,778.72-232,184.80-66,041.60

Finding the Fourth Proportional to 154,778.72, 232,184.80 and 66,041.60

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Solution

The fourth proportional to 154,778.72, 232,184.80 and 66,041.60 is: 99,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,778.72 : 232,184.80 = 66,041.60 : x
  2. Step 2: Convert to fraction form
    154,778.72/232,184.80 = 66,041.60/x
  3. Step 3: Cross multiply
    154,778.72x = 232,184.80 × 66,041.60
  4. Step 4: Simplify right side
    154,778.72x = 15,333,855,687.68
  5. Step 5: Solve for x
    x = 15,333,855,687.68/154,778.72
  6. Step 6: Final answer
    x = 99,069.53

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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.