Home / 243,943.11-336,646.53-147,146.49

Finding the Fourth Proportional to 243,943.11, 336,646.53 and 147,146.49

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Solution

The fourth proportional to 243,943.11, 336,646.53 and 147,146.49 is: 203,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,943.11 : 336,646.53 = 147,146.49 : x
  2. Step 2: Convert to fraction form
    243,943.11/336,646.53 = 147,146.49/x
  3. Step 3: Cross multiply
    243,943.11x = 336,646.53 × 147,146.49
  4. Step 4: Simplify right side
    243,943.11x = 49,536,355,260.18
  5. Step 5: Solve for x
    x = 49,536,355,260.18/243,943.11
  6. Step 6: Final answer
    x = 203,065.20

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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.