Home / 243,868.72-336,538.85-136,464.04

Finding the Fourth Proportional to 243,868.72, 336,538.85 and 136,464.04

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Solution

The fourth proportional to 243,868.72, 336,538.85 and 136,464.04 is: 188,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,868.72 : 336,538.85 = 136,464.04 : x
  2. Step 2: Convert to fraction form
    243,868.72/336,538.85 = 136,464.04/x
  3. Step 3: Cross multiply
    243,868.72x = 336,538.85 × 136,464.04
  4. Step 4: Simplify right side
    243,868.72x = 45,925,449,405.26
  5. Step 5: Solve for x
    x = 45,925,449,405.26/243,868.72
  6. Step 6: Final answer
    x = 188,320.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.