Home / 145,376.08-218,068.24-40,195.04

Finding the Fourth Proportional to 145,376.08, 218,068.24 and 40,195.04

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Solution

The fourth proportional to 145,376.08, 218,068.24 and 40,195.04 is: 60,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,376.08 : 218,068.24 = 40,195.04 : x
  2. Step 2: Convert to fraction form
    145,376.08/218,068.24 = 40,195.04/x
  3. Step 3: Cross multiply
    145,376.08x = 218,068.24 × 40,195.04
  4. Step 4: Simplify right side
    145,376.08x = 8,765,261,629.53
  5. Step 5: Solve for x
    x = 8,765,261,629.53/145,376.08
  6. Step 6: Final answer
    x = 60,293.70

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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.