Home / 141,296.34-194,988.93-77,632.02

Finding the Fourth Proportional to 141,296.34, 194,988.93 and 77,632.02

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Solution

The fourth proportional to 141,296.34, 194,988.93 and 77,632.02 is: 107,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,296.34 : 194,988.93 = 77,632.02 : x
  2. Step 2: Convert to fraction form
    141,296.34/194,988.93 = 77,632.02/x
  3. Step 3: Cross multiply
    141,296.34x = 194,988.93 × 77,632.02
  4. Step 4: Simplify right side
    141,296.34x = 15,137,384,513.54
  5. Step 5: Solve for x
    x = 15,137,384,513.54/141,296.34
  6. Step 6: Final answer
    x = 107,132.18

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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.