Home / 121,276.56-181,934.28-51,166.20

Finding the Fourth Proportional to 121,276.56, 181,934.28 and 51,166.20

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Solution

The fourth proportional to 121,276.56, 181,934.28 and 51,166.20 is: 76,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276.56 : 181,934.28 = 51,166.20 : x
  2. Step 2: Convert to fraction form
    121,276.56/181,934.28 = 51,166.20/x
  3. Step 3: Cross multiply
    121,276.56x = 181,934.28 × 51,166.20
  4. Step 4: Simplify right side
    121,276.56x = 9,308,885,757.34
  5. Step 5: Solve for x
    x = 9,308,885,757.34/121,276.56
  6. Step 6: Final answer
    x = 76,757.50

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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.