Home / 195,001.20-292,511.40-101,689.20

Finding the Fourth Proportional to 195,001.20, 292,511.40 and 101,689.20

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Solution

The fourth proportional to 195,001.20, 292,511.40 and 101,689.20 is: 152,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,001.20 : 292,511.40 = 101,689.20 : x
  2. Step 2: Convert to fraction form
    195,001.20/292,511.40 = 101,689.20/x
  3. Step 3: Cross multiply
    195,001.20x = 292,511.40 × 101,689.20
  4. Step 4: Simplify right side
    195,001.20x = 29,745,250,256.88
  5. Step 5: Solve for x
    x = 29,745,250,256.88/195,001.20
  6. Step 6: Final answer
    x = 152,538.81

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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.