Home / 145,644.06-218,477.88-40,463.04

Finding the Fourth Proportional to 145,644.06, 218,477.88 and 40,463.04

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Solution

The fourth proportional to 145,644.06, 218,477.88 and 40,463.04 is: 60,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,644.06 : 218,477.88 = 40,463.04 : x
  2. Step 2: Convert to fraction form
    145,644.06/218,477.88 = 40,463.04/x
  3. Step 3: Cross multiply
    145,644.06x = 218,477.88 × 40,463.04
  4. Step 4: Simplify right side
    145,644.06x = 8,840,279,197.56
  5. Step 5: Solve for x
    x = 8,840,279,197.56/145,644.06
  6. Step 6: Final answer
    x = 60,697.84

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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.