Home / 124,264.45-186,212.35-91,271.17

Finding the Fourth Proportional to 124,264.45, 186,212.35 and 91,271.17

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Solution

The fourth proportional to 124,264.45, 186,212.35 and 91,271.17 is: 136,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,264.45 : 186,212.35 = 91,271.17 : x
  2. Step 2: Convert to fraction form
    124,264.45/186,212.35 = 91,271.17/x
  3. Step 3: Cross multiply
    124,264.45x = 186,212.35 × 91,271.17
  4. Step 4: Simplify right side
    124,264.45x = 16,995,819,052.95
  5. Step 5: Solve for x
    x = 16,995,819,052.95/124,264.45
  6. Step 6: Final answer
    x = 136,771.37

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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.