Home / 121,261.70-181,806.15-46,352.90

Finding the Fourth Proportional to 121,261.70, 181,806.15 and 46,352.90

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Solution

The fourth proportional to 121,261.70, 181,806.15 and 46,352.90 is: 69,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,261.70 : 181,806.15 = 46,352.90 : x
  2. Step 2: Convert to fraction form
    121,261.70/181,806.15 = 46,352.90/x
  3. Step 3: Cross multiply
    121,261.70x = 181,806.15 × 46,352.90
  4. Step 4: Simplify right side
    121,261.70x = 8,427,242,290.34
  5. Step 5: Solve for x
    x = 8,427,242,290.34/121,261.70
  6. Step 6: Final answer
    x = 69,496.32

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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.