Home / 356,081.52-533,949.96-131,547.72

Finding the Fourth Proportional to 356,081.52, 533,949.96 and 131,547.72

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Solution

The fourth proportional to 356,081.52, 533,949.96 and 131,547.72 is: 197,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,081.52 : 533,949.96 = 131,547.72 : x
  2. Step 2: Convert to fraction form
    356,081.52/533,949.96 = 131,547.72/x
  3. Step 3: Cross multiply
    356,081.52x = 533,949.96 × 131,547.72
  4. Step 4: Simplify right side
    356,081.52x = 70,239,899,832.09
  5. Step 5: Solve for x
    x = 70,239,899,832.09/356,081.52
  6. Step 6: Final answer
    x = 197,257.92

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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.