Home / 121,273.48-181,963.14-42,444.28

Finding the Fourth Proportional to 121,273.48, 181,963.14 and 42,444.28

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Solution

The fourth proportional to 121,273.48, 181,963.14 and 42,444.28 is: 63,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,273.48 : 181,963.14 = 42,444.28 : x
  2. Step 2: Convert to fraction form
    121,273.48/181,963.14 = 42,444.28/x
  3. Step 3: Cross multiply
    121,273.48x = 181,963.14 × 42,444.28
  4. Step 4: Simplify right side
    121,273.48x = 7,723,294,463.84
  5. Step 5: Solve for x
    x = 7,723,294,463.84/121,273.48
  6. Step 6: Final answer
    x = 63,684.94

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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.