Home / 121,285.54-181,963.41-50,195.05

Finding the Fourth Proportional to 121,285.54, 181,963.41 and 50,195.05

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Solution

The fourth proportional to 121,285.54, 181,963.41 and 50,195.05 is: 75,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285.54 : 181,963.41 = 50,195.05 : x
  2. Step 2: Convert to fraction form
    121,285.54/181,963.41 = 50,195.05/x
  3. Step 3: Cross multiply
    121,285.54x = 181,963.41 × 50,195.05
  4. Step 4: Simplify right side
    121,285.54x = 9,133,663,381.76
  5. Step 5: Solve for x
    x = 9,133,663,381.76/121,285.54
  6. Step 6: Final answer
    x = 75,307.11

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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.