Home / 141,120.39-194,812.40-94,632.39

Finding the Fourth Proportional to 141,120.39, 194,812.40 and 94,632.39

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Solution

The fourth proportional to 141,120.39, 194,812.40 and 94,632.39 is: 130,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,120.39 : 194,812.40 = 94,632.39 : x
  2. Step 2: Convert to fraction form
    141,120.39/194,812.40 = 94,632.39/x
  3. Step 3: Cross multiply
    141,120.39x = 194,812.40 × 94,632.39
  4. Step 4: Simplify right side
    141,120.39x = 18,435,562,540.47
  5. Step 5: Solve for x
    x = 18,435,562,540.47/141,120.39
  6. Step 6: Final answer
    x = 130,637.13

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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.