Home / 186,270.51-279,211.26-86,348.31

Finding the Fourth Proportional to 186,270.51, 279,211.26 and 86,348.31

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Solution

The fourth proportional to 186,270.51, 279,211.26 and 86,348.31 is: 129,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,270.51 : 279,211.26 = 86,348.31 : x
  2. Step 2: Convert to fraction form
    186,270.51/279,211.26 = 86,348.31/x
  3. Step 3: Cross multiply
    186,270.51x = 279,211.26 × 86,348.31
  4. Step 4: Simplify right side
    186,270.51x = 24,109,420,433.97
  5. Step 5: Solve for x
    x = 24,109,420,433.97/186,270.51
  6. Step 6: Final answer
    x = 129,432.30

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1.5x scale

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.