Home / 186,498.20-279,747.30-156,973.70

Finding the Fourth Proportional to 186,498.20, 279,747.30 and 156,973.70

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Solution

The fourth proportional to 186,498.20, 279,747.30 and 156,973.70 is: 235,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,498.20 : 279,747.30 = 156,973.70 : x
  2. Step 2: Convert to fraction form
    186,498.20/279,747.30 = 156,973.70/x
  3. Step 3: Cross multiply
    186,498.20x = 279,747.30 × 156,973.70
  4. Step 4: Simplify right side
    186,498.20x = 43,912,968,746.01
  5. Step 5: Solve for x
    x = 43,912,968,746.01/186,498.20
  6. Step 6: Final answer
    x = 235,460.55

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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.