Home / 369,165.92-553,780.10-102,926.66

Finding the Fourth Proportional to 369,165.92, 553,780.10 and 102,926.66

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Solution

The fourth proportional to 369,165.92, 553,780.10 and 102,926.66 is: 154,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,165.92 : 553,780.10 = 102,926.66 : x
  2. Step 2: Convert to fraction form
    369,165.92/553,780.10 = 102,926.66/x
  3. Step 3: Cross multiply
    369,165.92x = 553,780.10 × 102,926.66
  4. Step 4: Simplify right side
    369,165.92x = 56,998,736,067.47
  5. Step 5: Solve for x
    x = 56,998,736,067.47/369,165.92
  6. Step 6: Final answer
    x = 154,398.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.