Home / 456,217.11-684,423.45-136,394.01

Finding the Fourth Proportional to 456,217.11, 684,423.45 and 136,394.01

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Solution

The fourth proportional to 456,217.11, 684,423.45 and 136,394.01 is: 204,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,217.11 : 684,423.45 = 136,394.01 : x
  2. Step 2: Convert to fraction form
    456,217.11/684,423.45 = 136,394.01/x
  3. Step 3: Cross multiply
    456,217.11x = 684,423.45 × 136,394.01
  4. Step 4: Simplify right side
    456,217.11x = 93,351,258,883.53
  5. Step 5: Solve for x
    x = 93,351,258,883.53/456,217.11
  6. Step 6: Final answer
    x = 204,620.25

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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.