Home / 166,535.19-249,775.43-71,739.66

Finding the Fourth Proportional to 166,535.19, 249,775.43 and 71,739.66

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Solution

The fourth proportional to 166,535.19, 249,775.43 and 71,739.66 is: 107,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,535.19 : 249,775.43 = 71,739.66 : x
  2. Step 2: Convert to fraction form
    166,535.19/249,775.43 = 71,739.66/x
  3. Step 3: Cross multiply
    166,535.19x = 249,775.43 × 71,739.66
  4. Step 4: Simplify right side
    166,535.19x = 17,918,804,065.86
  5. Step 5: Solve for x
    x = 17,918,804,065.86/166,535.19
  6. Step 6: Final answer
    x = 107,597.70

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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.