Home / 126,313.95-174,342.47-83,301.20

Finding the Fourth Proportional to 126,313.95, 174,342.47 and 83,301.20

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Solution

The fourth proportional to 126,313.95, 174,342.47 and 83,301.20 is: 114,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.95 : 174,342.47 = 83,301.20 : x
  2. Step 2: Convert to fraction form
    126,313.95/174,342.47 = 83,301.20/x
  3. Step 3: Cross multiply
    126,313.95x = 174,342.47 × 83,301.20
  4. Step 4: Simplify right side
    126,313.95x = 14,522,936,961.96
  5. Step 5: Solve for x
    x = 14,522,936,961.96/126,313.95
  6. Step 6: Final answer
    x = 114,974.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.