Home / 121,041.54-181,437.26-46,141.58

Finding the Fourth Proportional to 121,041.54, 181,437.26 and 46,141.58

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Solution

The fourth proportional to 121,041.54, 181,437.26 and 46,141.58 is: 69,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,041.54 : 181,437.26 = 46,141.58 : x
  2. Step 2: Convert to fraction form
    121,041.54/181,437.26 = 46,141.58/x
  3. Step 3: Cross multiply
    121,041.54x = 181,437.26 × 46,141.58
  4. Step 4: Simplify right side
    121,041.54x = 8,371,801,847.27
  5. Step 5: Solve for x
    x = 8,371,801,847.27/121,041.54
  6. Step 6: Final answer
    x = 69,164.70

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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.