Home / 186,777.36-280,159.02-102,576.78

Finding the Fourth Proportional to 186,777.36, 280,159.02 and 102,576.78

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Solution

The fourth proportional to 186,777.36, 280,159.02 and 102,576.78 is: 153,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,777.36 : 280,159.02 = 102,576.78 : x
  2. Step 2: Convert to fraction form
    186,777.36/280,159.02 = 102,576.78/x
  3. Step 3: Cross multiply
    186,777.36x = 280,159.02 × 102,576.78
  4. Step 4: Simplify right side
    186,777.36x = 28,737,810,159.56
  5. Step 5: Solve for x
    x = 28,737,810,159.56/186,777.36
  6. Step 6: Final answer
    x = 153,861.31

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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.