Home / 243,988.14-336,626.91-136,541.10

Finding the Fourth Proportional to 243,988.14, 336,626.91 and 136,541.10

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Solution

The fourth proportional to 243,988.14, 336,626.91 and 136,541.10 is: 188,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,988.14 : 336,626.91 = 136,541.10 : x
  2. Step 2: Convert to fraction form
    243,988.14/336,626.91 = 136,541.10/x
  3. Step 3: Cross multiply
    243,988.14x = 336,626.91 × 136,541.10
  4. Step 4: Simplify right side
    243,988.14x = 45,963,408,581.00
  5. Step 5: Solve for x
    x = 45,963,408,581.00/243,988.14
  6. Step 6: Final answer
    x = 188,383.78

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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.