Home / 154,231.20-231,391.08-64,256.40

Finding the Fourth Proportional to 154,231.20, 231,391.08 and 64,256.40

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Solution

The fourth proportional to 154,231.20, 231,391.08 and 64,256.40 is: 96,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,231.20 : 231,391.08 = 64,256.40 : x
  2. Step 2: Convert to fraction form
    154,231.20/231,391.08 = 64,256.40/x
  3. Step 3: Cross multiply
    154,231.20x = 231,391.08 × 64,256.40
  4. Step 4: Simplify right side
    154,231.20x = 14,868,357,792.91
  5. Step 5: Solve for x
    x = 14,868,357,792.91/154,231.20
  6. Step 6: Final answer
    x = 96,403.05

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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.