Home / 131,851.91-197,783.35-38,357.66

Finding the Fourth Proportional to 131,851.91, 197,783.35 and 38,357.66

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Solution

The fourth proportional to 131,851.91, 197,783.35 and 38,357.66 is: 57,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,851.91 : 197,783.35 = 38,357.66 : x
  2. Step 2: Convert to fraction form
    131,851.91/197,783.35 = 38,357.66/x
  3. Step 3: Cross multiply
    131,851.91x = 197,783.35 × 38,357.66
  4. Step 4: Simplify right side
    131,851.91x = 7,586,506,891.53
  5. Step 5: Solve for x
    x = 7,586,506,891.53/131,851.91
  6. Step 6: Final answer
    x = 57,538.09

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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.