Home / 122,362.13-168,857.16-67,911.13

Finding the Fourth Proportional to 122,362.13, 168,857.16 and 67,911.13

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Solution

The fourth proportional to 122,362.13, 168,857.16 and 67,911.13 is: 93,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,362.13 : 168,857.16 = 67,911.13 : x
  2. Step 2: Convert to fraction form
    122,362.13/168,857.16 = 67,911.13/x
  3. Step 3: Cross multiply
    122,362.13x = 168,857.16 × 67,911.13
  4. Step 4: Simplify right side
    122,362.13x = 11,467,280,840.15
  5. Step 5: Solve for x
    x = 11,467,280,840.15/122,362.13
  6. Step 6: Final answer
    x = 93,715.93

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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.