Home / 191,292.65-263,985.87-105,252.76

Finding the Fourth Proportional to 191,292.65, 263,985.87 and 105,252.76

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Solution

The fourth proportional to 191,292.65, 263,985.87 and 105,252.76 is: 145,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,292.65 : 263,985.87 = 105,252.76 : x
  2. Step 2: Convert to fraction form
    191,292.65/263,985.87 = 105,252.76/x
  3. Step 3: Cross multiply
    191,292.65x = 263,985.87 × 105,252.76
  4. Step 4: Simplify right side
    191,292.65x = 27,785,240,098.57
  5. Step 5: Solve for x
    x = 27,785,240,098.57/191,292.65
  6. Step 6: Final answer
    x = 145,249.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.