Home / 186,577.32-279,885.42-79,971.96

Finding the Fourth Proportional to 186,577.32, 279,885.42 and 79,971.96

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Solution

The fourth proportional to 186,577.32, 279,885.42 and 79,971.96 is: 119,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,577.32 : 279,885.42 = 79,971.96 : x
  2. Step 2: Convert to fraction form
    186,577.32/279,885.42 = 79,971.96/x
  3. Step 3: Cross multiply
    186,577.32x = 279,885.42 × 79,971.96
  4. Step 4: Simplify right side
    186,577.32x = 22,382,985,612.82
  5. Step 5: Solve for x
    x = 22,382,985,612.82/186,577.32
  6. Step 6: Final answer
    x = 119,966.27

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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.