Home / 122,223.60-168,665.56-67,775.47

Finding the Fourth Proportional to 122,223.60, 168,665.56 and 67,775.47

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Solution

The fourth proportional to 122,223.60, 168,665.56 and 67,775.47 is: 93,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223.60 : 168,665.56 = 67,775.47 : x
  2. Step 2: Convert to fraction form
    122,223.60/168,665.56 = 67,775.47/x
  3. Step 3: Cross multiply
    122,223.60x = 168,665.56 × 67,775.47
  4. Step 4: Simplify right side
    122,223.60x = 11,431,387,010.71
  5. Step 5: Solve for x
    x = 11,431,387,010.71/122,223.60
  6. Step 6: Final answer
    x = 93,528.48

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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.