Home / 122,001.07-168,323.10-68,277.55

Finding the Fourth Proportional to 122,001.07, 168,323.10 and 68,277.55

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Solution

The fourth proportional to 122,001.07, 168,323.10 and 68,277.55 is: 94,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001.07 : 168,323.10 = 68,277.55 : x
  2. Step 2: Convert to fraction form
    122,001.07/168,323.10 = 68,277.55/x
  3. Step 3: Cross multiply
    122,001.07x = 168,323.10 × 68,277.55
  4. Step 4: Simplify right side
    122,001.07x = 11,492,688,876.41
  5. Step 5: Solve for x
    x = 11,492,688,876.41/122,001.07
  6. Step 6: Final answer
    x = 94,201.54

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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.