Home / 121,281.06-181,855.98-41,295.18

Finding the Fourth Proportional to 121,281.06, 181,855.98 and 41,295.18

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Solution

The fourth proportional to 121,281.06, 181,855.98 and 41,295.18 is: 61,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,281.06 : 181,855.98 = 41,295.18 : x
  2. Step 2: Convert to fraction form
    121,281.06/181,855.98 = 41,295.18/x
  3. Step 3: Cross multiply
    121,281.06x = 181,855.98 × 41,295.18
  4. Step 4: Simplify right side
    121,281.06x = 7,509,775,428.18
  5. Step 5: Solve for x
    x = 7,509,775,428.18/121,281.06
  6. Step 6: Final answer
    x = 61,920.43

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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.