Home / 166,356.22-249,555.04-65,141.21

Finding the Fourth Proportional to 166,356.22, 249,555.04 and 65,141.21

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Solution

The fourth proportional to 166,356.22, 249,555.04 and 65,141.21 is: 97,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,356.22 : 249,555.04 = 65,141.21 : x
  2. Step 2: Convert to fraction form
    166,356.22/249,555.04 = 65,141.21/x
  3. Step 3: Cross multiply
    166,356.22x = 249,555.04 × 65,141.21
  4. Step 4: Simplify right side
    166,356.22x = 16,256,315,856.57
  5. Step 5: Solve for x
    x = 16,256,315,856.57/166,356.22
  6. Step 6: Final answer
    x = 97,719.92

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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.