Home / 211,330.92-316,980.22-61,572.36

Finding the Fourth Proportional to 211,330.92, 316,980.22 and 61,572.36

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Solution

The fourth proportional to 211,330.92, 316,980.22 and 61,572.36 is: 92,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,330.92 : 316,980.22 = 61,572.36 : x
  2. Step 2: Convert to fraction form
    211,330.92/316,980.22 = 61,572.36/x
  3. Step 3: Cross multiply
    211,330.92x = 316,980.22 × 61,572.36
  4. Step 4: Simplify right side
    211,330.92x = 19,517,220,218.72
  5. Step 5: Solve for x
    x = 19,517,220,218.72/211,330.92
  6. Step 6: Final answer
    x = 92,353.83

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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.