Home / 166,017.54-249,026.53-71,186.48

Finding the Fourth Proportional to 166,017.54, 249,026.53 and 71,186.48

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Solution

The fourth proportional to 166,017.54, 249,026.53 and 71,186.48 is: 106,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,017.54 : 249,026.53 = 71,186.48 : x
  2. Step 2: Convert to fraction form
    166,017.54/249,026.53 = 71,186.48/x
  3. Step 3: Cross multiply
    166,017.54x = 249,026.53 × 71,186.48
  4. Step 4: Simplify right side
    166,017.54x = 17,727,322,097.31
  5. Step 5: Solve for x
    x = 17,727,322,097.31/166,017.54
  6. Step 6: Final answer
    x = 106,779.81

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1.5x scale

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.