Home / 154,613.64-231,774.99-83,429.60

Finding the Fourth Proportional to 154,613.64, 231,774.99 and 83,429.60

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Solution

The fourth proportional to 154,613.64, 231,774.99 and 83,429.60 is: 125,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,613.64 : 231,774.99 = 83,429.60 : x
  2. Step 2: Convert to fraction form
    154,613.64/231,774.99 = 83,429.60/x
  3. Step 3: Cross multiply
    154,613.64x = 231,774.99 × 83,429.60
  4. Step 4: Simplify right side
    154,613.64x = 19,336,893,937.91
  5. Step 5: Solve for x
    x = 19,336,893,937.91/154,613.64
  6. Step 6: Final answer
    x = 125,065.90

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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.