Home / 166,117.80-249,213.15-53,778.90

Finding the Fourth Proportional to 166,117.80, 249,213.15 and 53,778.90

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Solution

The fourth proportional to 166,117.80, 249,213.15 and 53,778.90 is: 80,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,117.80 : 249,213.15 = 53,778.90 : x
  2. Step 2: Convert to fraction form
    166,117.80/249,213.15 = 53,778.90/x
  3. Step 3: Cross multiply
    166,117.80x = 249,213.15 × 53,778.90
  4. Step 4: Simplify right side
    166,117.80x = 13,402,409,072.54
  5. Step 5: Solve for x
    x = 13,402,409,072.54/166,117.80
  6. Step 6: Final answer
    x = 80,680.15

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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.