Home / 303,964.11-455,955.38-104,281.61

Finding the Fourth Proportional to 303,964.11, 455,955.38 and 104,281.61

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Solution

The fourth proportional to 303,964.11, 455,955.38 and 104,281.61 is: 156,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,964.11 : 455,955.38 = 104,281.61 : x
  2. Step 2: Convert to fraction form
    303,964.11/455,955.38 = 104,281.61/x
  3. Step 3: Cross multiply
    303,964.11x = 455,955.38 × 104,281.61
  4. Step 4: Simplify right side
    303,964.11x = 47,547,758,313.38
  5. Step 5: Solve for x
    x = 47,547,758,313.38/303,964.11
  6. Step 6: Final answer
    x = 156,425.57

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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.