Home / 124,264.58-186,212.54-91,271.30

Finding the Fourth Proportional to 124,264.58, 186,212.54 and 91,271.30

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Solution

The fourth proportional to 124,264.58, 186,212.54 and 91,271.30 is: 136,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,264.58 : 186,212.54 = 91,271.30 : x
  2. Step 2: Convert to fraction form
    124,264.58/186,212.54 = 91,271.30/x
  3. Step 3: Cross multiply
    124,264.58x = 186,212.54 × 91,271.30
  4. Step 4: Simplify right side
    124,264.58x = 16,995,859,899.22
  5. Step 5: Solve for x
    x = 16,995,859,899.22/124,264.58
  6. Step 6: Final answer
    x = 136,771.56

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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.