Home / 166,987.22-249,889.50-103,837.05

Finding the Fourth Proportional to 166,987.22, 249,889.50 and 103,837.05

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Solution

The fourth proportional to 166,987.22, 249,889.50 and 103,837.05 is: 155,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,987.22 : 249,889.50 = 103,837.05 : x
  2. Step 2: Convert to fraction form
    166,987.22/249,889.50 = 103,837.05/x
  3. Step 3: Cross multiply
    166,987.22x = 249,889.50 × 103,837.05
  4. Step 4: Simplify right side
    166,987.22x = 25,947,788,505.98
  5. Step 5: Solve for x
    x = 25,947,788,505.98/166,987.22
  6. Step 6: Final answer
    x = 155,387.88

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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.