Home / 186,150.36-279,269.28-80,999.40

Finding the Fourth Proportional to 186,150.36, 279,269.28 and 80,999.40

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Solution

The fourth proportional to 186,150.36, 279,269.28 and 80,999.40 is: 121,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,150.36 : 279,269.28 = 80,999.40 : x
  2. Step 2: Convert to fraction form
    186,150.36/279,269.28 = 80,999.40/x
  3. Step 3: Cross multiply
    186,150.36x = 279,269.28 × 80,999.40
  4. Step 4: Simplify right side
    186,150.36x = 22,620,644,118.43
  5. Step 5: Solve for x
    x = 22,620,644,118.43/186,150.36
  6. Step 6: Final answer
    x = 121,518.13

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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.