Home / 148,792.97-205,397.12-100,460.39

Finding the Fourth Proportional to 148,792.97, 205,397.12 and 100,460.39

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Solution

The fourth proportional to 148,792.97, 205,397.12 and 100,460.39 is: 138,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,792.97 : 205,397.12 = 100,460.39 : x
  2. Step 2: Convert to fraction form
    148,792.97/205,397.12 = 100,460.39/x
  3. Step 3: Cross multiply
    148,792.97x = 205,397.12 × 100,460.39
  4. Step 4: Simplify right side
    148,792.97x = 20,634,274,004.24
  5. Step 5: Solve for x
    x = 20,634,274,004.24/148,792.97
  6. Step 6: Final answer
    x = 138,677.75

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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.