Home / 274,531.95-411,785.78-74,852.37

Finding the Fourth Proportional to 274,531.95, 411,785.78 and 74,852.37

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Solution

The fourth proportional to 274,531.95, 411,785.78 and 74,852.37 is: 112,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,531.95 : 411,785.78 = 74,852.37 : x
  2. Step 2: Convert to fraction form
    274,531.95/411,785.78 = 74,852.37/x
  3. Step 3: Cross multiply
    274,531.95x = 411,785.78 × 74,852.37
  4. Step 4: Simplify right side
    274,531.95x = 30,823,141,191.04
  5. Step 5: Solve for x
    x = 30,823,141,191.04/274,531.95
  6. Step 6: Final answer
    x = 112,275.24

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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.