Home / 272,956.40-376,691.41-152,097.78

Finding the Fourth Proportional to 272,956.40, 376,691.41 and 152,097.78

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Solution

The fourth proportional to 272,956.40, 376,691.41 and 152,097.78 is: 209,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,956.40 : 376,691.41 = 152,097.78 : x
  2. Step 2: Convert to fraction form
    272,956.40/376,691.41 = 152,097.78/x
  3. Step 3: Cross multiply
    272,956.40x = 376,691.41 × 152,097.78
  4. Step 4: Simplify right side
    272,956.40x = 57,293,927,206.07
  5. Step 5: Solve for x
    x = 57,293,927,206.07/272,956.40
  6. Step 6: Final answer
    x = 209,901.39

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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.