Home / 124,855.17-172,300.13-68,266.54

Finding the Fourth Proportional to 124,855.17, 172,300.13 and 68,266.54

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Solution

The fourth proportional to 124,855.17, 172,300.13 and 68,266.54 is: 94,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,855.17 : 172,300.13 = 68,266.54 : x
  2. Step 2: Convert to fraction form
    124,855.17/172,300.13 = 68,266.54/x
  3. Step 3: Cross multiply
    124,855.17x = 172,300.13 × 68,266.54
  4. Step 4: Simplify right side
    124,855.17x = 11,762,333,716.65
  5. Step 5: Solve for x
    x = 11,762,333,716.65/124,855.17
  6. Step 6: Final answer
    x = 94,207.82

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1.5x scale

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.