Home / 243,986.20-336,624.24-136,539.16

Finding the Fourth Proportional to 243,986.20, 336,624.24 and 136,539.16

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Solution

The fourth proportional to 243,986.20, 336,624.24 and 136,539.16 is: 188,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,986.20 : 336,624.24 = 136,539.16 : x
  2. Step 2: Convert to fraction form
    243,986.20/336,624.24 = 136,539.16/x
  3. Step 3: Cross multiply
    243,986.20x = 336,624.24 × 136,539.16
  4. Step 4: Simplify right side
    243,986.20x = 45,962,391,124.10
  5. Step 5: Solve for x
    x = 45,962,391,124.10/243,986.20
  6. Step 6: Final answer
    x = 188,381.11

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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.