Home / 247,560.78-341,538.21-140,106.18

Finding the Fourth Proportional to 247,560.78, 341,538.21 and 140,106.18

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Solution

The fourth proportional to 247,560.78, 341,538.21 and 140,106.18 is: 193,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,560.78 : 341,538.21 = 140,106.18 : x
  2. Step 2: Convert to fraction form
    247,560.78/341,538.21 = 140,106.18/x
  3. Step 3: Cross multiply
    247,560.78x = 341,538.21 × 140,106.18
  4. Step 4: Simplify right side
    247,560.78x = 47,851,613,927.14
  5. Step 5: Solve for x
    x = 47,851,613,927.14/247,560.78
  6. Step 6: Final answer
    x = 193,292.39

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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.