Home / 194,943.16-292,425.05-54,712.72

Finding the Fourth Proportional to 194,943.16, 292,425.05 and 54,712.72

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Solution

The fourth proportional to 194,943.16, 292,425.05 and 54,712.72 is: 82,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,943.16 : 292,425.05 = 54,712.72 : x
  2. Step 2: Convert to fraction form
    194,943.16/292,425.05 = 54,712.72/x
  3. Step 3: Cross multiply
    194,943.16x = 292,425.05 × 54,712.72
  4. Step 4: Simplify right side
    194,943.16x = 15,999,368,145.95
  5. Step 5: Solve for x
    x = 15,999,368,145.95/194,943.16
  6. Step 6: Final answer
    x = 82,071.97

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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.