Home / 166,025.49-249,207.72-121,520.04

Finding the Fourth Proportional to 166,025.49, 249,207.72 and 121,520.04

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Solution

The fourth proportional to 166,025.49, 249,207.72 and 121,520.04 is: 182,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,025.49 : 249,207.72 = 121,520.04 : x
  2. Step 2: Convert to fraction form
    166,025.49/249,207.72 = 121,520.04/x
  3. Step 3: Cross multiply
    166,025.49x = 249,207.72 × 121,520.04
  4. Step 4: Simplify right side
    166,025.49x = 30,283,732,102.71
  5. Step 5: Solve for x
    x = 30,283,732,102.71/166,025.49
  6. Step 6: Final answer
    x = 182,404.11

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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.