Home / 124,184.49-171,348.66-81,226.95

Finding the Fourth Proportional to 124,184.49, 171,348.66 and 81,226.95

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Solution

The fourth proportional to 124,184.49, 171,348.66 and 81,226.95 is: 112,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,184.49 : 171,348.66 = 81,226.95 : x
  2. Step 2: Convert to fraction form
    124,184.49/171,348.66 = 81,226.95/x
  3. Step 3: Cross multiply
    124,184.49x = 171,348.66 × 81,226.95
  4. Step 4: Simplify right side
    124,184.49x = 13,918,129,038.39
  5. Step 5: Solve for x
    x = 13,918,129,038.39/124,184.49
  6. Step 6: Final answer
    x = 112,076.23

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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.