Home / 116,638.38-160,959.96-66,337.38

Finding the Fourth Proportional to 116,638.38, 160,959.96 and 66,337.38

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Solution

The fourth proportional to 116,638.38, 160,959.96 and 66,337.38 is: 91,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,638.38 : 160,959.96 = 66,337.38 : x
  2. Step 2: Convert to fraction form
    116,638.38/160,959.96 = 66,337.38/x
  3. Step 3: Cross multiply
    116,638.38x = 160,959.96 × 66,337.38
  4. Step 4: Simplify right side
    116,638.38x = 10,677,662,031.30
  5. Step 5: Solve for x
    x = 10,677,662,031.30/116,638.38
  6. Step 6: Final answer
    x = 91,545.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.