Home / 154,412.10-231,618.15-65,643.30

Finding the Fourth Proportional to 154,412.10, 231,618.15 and 65,643.30

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Solution

The fourth proportional to 154,412.10, 231,618.15 and 65,643.30 is: 98,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.10 : 231,618.15 = 65,643.30 : x
  2. Step 2: Convert to fraction form
    154,412.10/231,618.15 = 65,643.30/x
  3. Step 3: Cross multiply
    154,412.10x = 231,618.15 × 65,643.30
  4. Step 4: Simplify right side
    154,412.10x = 15,204,179,705.90
  5. Step 5: Solve for x
    x = 15,204,179,705.90/154,412.10
  6. Step 6: Final answer
    x = 98,464.95

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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.