Home / 177,312.85-266,111-91,947.96

Finding the Fourth Proportional to 177,312.85, 266,111 and 91,947.96

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Solution

The fourth proportional to 177,312.85, 266,111 and 91,947.96 is: 137,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,312.85 : 266,111 = 91,947.96 : x
  2. Step 2: Convert to fraction form
    177,312.85/266,111 = 91,947.96/x
  3. Step 3: Cross multiply
    177,312.85x = 266,111 × 91,947.96
  4. Step 4: Simplify right side
    177,312.85x = 24,468,363,583.56
  5. Step 5: Solve for x
    x = 24,468,363,583.56/177,312.85
  6. Step 6: Final answer
    x = 137,995.43

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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.