Home / 243,844.74-336,492.18-136,394.04

Finding the Fourth Proportional to 243,844.74, 336,492.18 and 136,394.04

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Solution

The fourth proportional to 243,844.74, 336,492.18 and 136,394.04 is: 188,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,844.74 : 336,492.18 = 136,394.04 : x
  2. Step 2: Convert to fraction form
    243,844.74/336,492.18 = 136,394.04/x
  3. Step 3: Cross multiply
    243,844.74x = 336,492.18 × 136,394.04
  4. Step 4: Simplify right side
    243,844.74x = 45,895,527,858.61
  5. Step 5: Solve for x
    x = 45,895,527,858.61/243,844.74
  6. Step 6: Final answer
    x = 188,216.19

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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.