Home / 166,358.10-249,557.85-65,143.08

Finding the Fourth Proportional to 166,358.10, 249,557.85 and 65,143.08

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Solution

The fourth proportional to 166,358.10, 249,557.85 and 65,143.08 is: 97,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,358.10 : 249,557.85 = 65,143.08 : x
  2. Step 2: Convert to fraction form
    166,358.10/249,557.85 = 65,143.08/x
  3. Step 3: Cross multiply
    166,358.10x = 249,557.85 × 65,143.08
  4. Step 4: Simplify right side
    166,358.10x = 16,256,966,987.18
  5. Step 5: Solve for x
    x = 16,256,966,987.18/166,358.10
  6. Step 6: Final answer
    x = 97,722.73

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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.