Home / 369,227.83-553,935.27-102,988.30

Finding the Fourth Proportional to 369,227.83, 553,935.27 and 102,988.30

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Solution

The fourth proportional to 369,227.83, 553,935.27 and 102,988.30 is: 154,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,227.83 : 553,935.27 = 102,988.30 : x
  2. Step 2: Convert to fraction form
    369,227.83/553,935.27 = 102,988.30/x
  3. Step 3: Cross multiply
    369,227.83x = 553,935.27 × 102,988.30
  4. Step 4: Simplify right side
    369,227.83x = 57,048,851,767.34
  5. Step 5: Solve for x
    x = 57,048,851,767.34/369,227.83
  6. Step 6: Final answer
    x = 154,508.54

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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.