Home / 124,164.45-186,366.96-117,421.20

Finding the Fourth Proportional to 124,164.45, 186,366.96 and 117,421.20

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Solution

The fourth proportional to 124,164.45, 186,366.96 and 117,421.20 is: 176,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,164.45 : 186,366.96 = 117,421.20 : x
  2. Step 2: Convert to fraction form
    124,164.45/186,366.96 = 117,421.20/x
  3. Step 3: Cross multiply
    124,164.45x = 186,366.96 × 117,421.20
  4. Step 4: Simplify right side
    124,164.45x = 21,883,432,083.55
  5. Step 5: Solve for x
    x = 21,883,432,083.55/124,164.45
  6. Step 6: Final answer
    x = 176,245.55

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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.