Home / 369,182.10-553,405.14-156,003.78

Finding the Fourth Proportional to 369,182.10, 553,405.14 and 156,003.78

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Solution

The fourth proportional to 369,182.10, 553,405.14 and 156,003.78 is: 233,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,182.10 : 553,405.14 = 156,003.78 : x
  2. Step 2: Convert to fraction form
    369,182.10/553,405.14 = 156,003.78/x
  3. Step 3: Cross multiply
    369,182.10x = 553,405.14 × 156,003.78
  4. Step 4: Simplify right side
    369,182.10x = 86,333,293,711.43
  5. Step 5: Solve for x
    x = 86,333,293,711.43/369,182.10
  6. Step 6: Final answer
    x = 233,850.16

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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.