Home / 369,156.62-553,762.08-132,501.36

Finding the Fourth Proportional to 369,156.62, 553,762.08 and 132,501.36

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Solution

The fourth proportional to 369,156.62, 553,762.08 and 132,501.36 is: 198,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,156.62 : 553,762.08 = 132,501.36 : x
  2. Step 2: Convert to fraction form
    369,156.62/553,762.08 = 132,501.36/x
  3. Step 3: Cross multiply
    369,156.62x = 553,762.08 × 132,501.36
  4. Step 4: Simplify right side
    369,156.62x = 73,374,228,716.43
  5. Step 5: Solve for x
    x = 73,374,228,716.43/369,156.62
  6. Step 6: Final answer
    x = 198,761.78

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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.