Home / 284,055.95-426,010.55-84,331.14

Finding the Fourth Proportional to 284,055.95, 426,010.55 and 84,331.14

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Solution

The fourth proportional to 284,055.95, 426,010.55 and 84,331.14 is: 126,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,055.95 : 426,010.55 = 84,331.14 : x
  2. Step 2: Convert to fraction form
    284,055.95/426,010.55 = 84,331.14/x
  3. Step 3: Cross multiply
    284,055.95x = 426,010.55 × 84,331.14
  4. Step 4: Simplify right side
    284,055.95x = 35,925,954,911.87
  5. Step 5: Solve for x
    x = 35,925,954,911.87/284,055.95
  6. Step 6: Final answer
    x = 126,474.93

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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.