Home / 166,531.65-249,799.86-54,212.46

Finding the Fourth Proportional to 166,531.65, 249,799.86 and 54,212.46

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Solution

The fourth proportional to 166,531.65, 249,799.86 and 54,212.46 is: 81,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531.65 : 249,799.86 = 54,212.46 : x
  2. Step 2: Convert to fraction form
    166,531.65/249,799.86 = 54,212.46/x
  3. Step 3: Cross multiply
    166,531.65x = 249,799.86 × 54,212.46
  4. Step 4: Simplify right side
    166,531.65x = 13,542,264,918.26
  5. Step 5: Solve for x
    x = 13,542,264,918.26/166,531.65
  6. Step 6: Final answer
    x = 81,319.47

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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.