Home / 154,349.04-231,528.42-53,146.02

Finding the Fourth Proportional to 154,349.04, 231,528.42 and 53,146.02

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Solution

The fourth proportional to 154,349.04, 231,528.42 and 53,146.02 is: 79,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,349.04 : 231,528.42 = 53,146.02 : x
  2. Step 2: Convert to fraction form
    154,349.04/231,528.42 = 53,146.02/x
  3. Step 3: Cross multiply
    154,349.04x = 231,528.42 × 53,146.02
  4. Step 4: Simplify right side
    154,349.04x = 12,304,814,039.89
  5. Step 5: Solve for x
    x = 12,304,814,039.89/154,349.04
  6. Step 6: Final answer
    x = 79,720.70

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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.