Home / 166,186.80-249,280.20-157,438.80

Finding the Fourth Proportional to 166,186.80, 249,280.20 and 157,438.80

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Solution

The fourth proportional to 166,186.80, 249,280.20 and 157,438.80 is: 236,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,186.80 : 249,280.20 = 157,438.80 : x
  2. Step 2: Convert to fraction form
    166,186.80/249,280.20 = 157,438.80/x
  3. Step 3: Cross multiply
    166,186.80x = 249,280.20 × 157,438.80
  4. Step 4: Simplify right side
    166,186.80x = 39,246,375,551.76
  5. Step 5: Solve for x
    x = 39,246,375,551.76/166,186.80
  6. Step 6: Final answer
    x = 236,158.20

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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.