Home / 186,549.80-279,672.22-86,772.20

Finding the Fourth Proportional to 186,549.80, 279,672.22 and 86,772.20

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Solution

The fourth proportional to 186,549.80, 279,672.22 and 86,772.20 is: 130,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,549.80 : 279,672.22 = 86,772.20 : x
  2. Step 2: Convert to fraction form
    186,549.80/279,672.22 = 86,772.20/x
  3. Step 3: Cross multiply
    186,549.80x = 279,672.22 × 86,772.20
  4. Step 4: Simplify right side
    186,549.80x = 24,267,773,808.28
  5. Step 5: Solve for x
    x = 24,267,773,808.28/186,549.80
  6. Step 6: Final answer
    x = 130,087.38

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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.