Home / 154,310.04-231,483.69-54,449.73

Finding the Fourth Proportional to 154,310.04, 231,483.69 and 54,449.73

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Solution

The fourth proportional to 154,310.04, 231,483.69 and 54,449.73 is: 81,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,310.04 : 231,483.69 = 54,449.73 : x
  2. Step 2: Convert to fraction form
    154,310.04/231,483.69 = 54,449.73/x
  3. Step 3: Cross multiply
    154,310.04x = 231,483.69 × 54,449.73
  4. Step 4: Simplify right side
    154,310.04x = 12,604,224,419.90
  5. Step 5: Solve for x
    x = 12,604,224,419.90/154,310.04
  6. Step 6: Final answer
    x = 81,681.17

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1.5x scale

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.