Home / 131,731.12-197,596.37-101,788.88

Finding the Fourth Proportional to 131,731.12, 197,596.37 and 101,788.88

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Solution

The fourth proportional to 131,731.12, 197,596.37 and 101,788.88 is: 152,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,731.12 : 197,596.37 = 101,788.88 : x
  2. Step 2: Convert to fraction form
    131,731.12/197,596.37 = 101,788.88/x
  3. Step 3: Cross multiply
    131,731.12x = 197,596.37 × 101,788.88
  4. Step 4: Simplify right side
    131,731.12x = 20,113,112,685.42
  5. Step 5: Solve for x
    x = 20,113,112,685.42/131,731.12
  6. Step 6: Final answer
    x = 152,683.08

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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.