Home / 121,151.08-181,804.38-58,787.56

Finding the Fourth Proportional to 121,151.08, 181,804.38 and 58,787.56

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Solution

The fourth proportional to 121,151.08, 181,804.38 and 58,787.56 is: 88,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,151.08 : 181,804.38 = 58,787.56 : x
  2. Step 2: Convert to fraction form
    121,151.08/181,804.38 = 58,787.56/x
  3. Step 3: Cross multiply
    121,151.08x = 181,804.38 × 58,787.56
  4. Step 4: Simplify right side
    121,151.08x = 10,687,835,897.51
  5. Step 5: Solve for x
    x = 10,687,835,897.51/121,151.08
  6. Step 6: Final answer
    x = 88,219.07

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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.