Home / 166,112.20-249,168.30-121,497.40

Finding the Fourth Proportional to 166,112.20, 249,168.30 and 121,497.40

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Solution

The fourth proportional to 166,112.20, 249,168.30 and 121,497.40 is: 182,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,112.20 : 249,168.30 = 121,497.40 : x
  2. Step 2: Convert to fraction form
    166,112.20/249,168.30 = 121,497.40/x
  3. Step 3: Cross multiply
    166,112.20x = 249,168.30 × 121,497.40
  4. Step 4: Simplify right side
    166,112.20x = 30,273,300,612.42
  5. Step 5: Solve for x
    x = 30,273,300,612.42/166,112.20
  6. Step 6: Final answer
    x = 182,246.10

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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.