Home / 122,002.14-168,363.54-68,288.22

Finding the Fourth Proportional to 122,002.14, 168,363.54 and 68,288.22

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Solution

The fourth proportional to 122,002.14, 168,363.54 and 68,288.22 is: 94,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,002.14 : 168,363.54 = 68,288.22 : x
  2. Step 2: Convert to fraction form
    122,002.14/168,363.54 = 68,288.22/x
  3. Step 3: Cross multiply
    122,002.14x = 168,363.54 × 68,288.22
  4. Step 4: Simplify right side
    122,002.14x = 11,497,246,459.50
  5. Step 5: Solve for x
    x = 11,497,246,459.50/122,002.14
  6. Step 6: Final answer
    x = 94,238.07

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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.