Home / 154,025.40-231,078.60-48,844.20

Finding the Fourth Proportional to 154,025.40, 231,078.60 and 48,844.20

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Solution

The fourth proportional to 154,025.40, 231,078.60 and 48,844.20 is: 73,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,025.40 : 231,078.60 = 48,844.20 : x
  2. Step 2: Convert to fraction form
    154,025.40/231,078.60 = 48,844.20/x
  3. Step 3: Cross multiply
    154,025.40x = 231,078.60 × 48,844.20
  4. Step 4: Simplify right side
    154,025.40x = 11,286,849,354.12
  5. Step 5: Solve for x
    x = 11,286,849,354.12/154,025.40
  6. Step 6: Final answer
    x = 73,279.14

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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.