Home / 369,115.32-553,673.16-102,882.72

Finding the Fourth Proportional to 369,115.32, 553,673.16 and 102,882.72

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Solution

The fourth proportional to 369,115.32, 553,673.16 and 102,882.72 is: 154,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,115.32 : 553,673.16 = 102,882.72 : x
  2. Step 2: Convert to fraction form
    369,115.32/553,673.16 = 102,882.72/x
  3. Step 3: Cross multiply
    369,115.32x = 553,673.16 × 102,882.72
  4. Step 4: Simplify right side
    369,115.32x = 56,963,400,691.80
  5. Step 5: Solve for x
    x = 56,963,400,691.80/369,115.32
  6. Step 6: Final answer
    x = 154,324.13

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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.