Home / 186,360.12-278,925.39-132,221.34

Finding the Fourth Proportional to 186,360.12, 278,925.39 and 132,221.34

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Solution

The fourth proportional to 186,360.12, 278,925.39 and 132,221.34 is: 197,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,360.12 : 278,925.39 = 132,221.34 : x
  2. Step 2: Convert to fraction form
    186,360.12/278,925.39 = 132,221.34/x
  3. Step 3: Cross multiply
    186,360.12x = 278,925.39 × 132,221.34
  4. Step 4: Simplify right side
    186,360.12x = 36,879,888,825.82
  5. Step 5: Solve for x
    x = 36,879,888,825.82/186,360.12
  6. Step 6: Final answer
    x = 197,895.82

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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.