Home / 186,105.56-279,159.98-52,985.70

Finding the Fourth Proportional to 186,105.56, 279,159.98 and 52,985.70

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Solution

The fourth proportional to 186,105.56, 279,159.98 and 52,985.70 is: 79,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,105.56 : 279,159.98 = 52,985.70 : x
  2. Step 2: Convert to fraction form
    186,105.56/279,159.98 = 52,985.70/x
  3. Step 3: Cross multiply
    186,105.56x = 279,159.98 × 52,985.70
  4. Step 4: Simplify right side
    186,105.56x = 14,791,486,687.36
  5. Step 5: Solve for x
    x = 14,791,486,687.36/186,105.56
  6. Step 6: Final answer
    x = 79,479.02

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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.