Home / 147,142.95-220,716.45-41,961.93

Finding the Fourth Proportional to 147,142.95, 220,716.45 and 41,961.93

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Solution

The fourth proportional to 147,142.95, 220,716.45 and 41,961.93 is: 62,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,142.95 : 220,716.45 = 41,961.93 : x
  2. Step 2: Convert to fraction form
    147,142.95/220,716.45 = 41,961.93/x
  3. Step 3: Cross multiply
    147,142.95x = 220,716.45 × 41,961.93
  4. Step 4: Simplify right side
    147,142.95x = 9,261,688,224.75
  5. Step 5: Solve for x
    x = 9,261,688,224.75/147,142.95
  6. Step 6: Final answer
    x = 62,943.47

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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.