Home / 141,196.20-194,838.06-77,532.60

Finding the Fourth Proportional to 141,196.20, 194,838.06 and 77,532.60

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Solution

The fourth proportional to 141,196.20, 194,838.06 and 77,532.60 is: 106,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,196.20 : 194,838.06 = 77,532.60 : x
  2. Step 2: Convert to fraction form
    141,196.20/194,838.06 = 77,532.60/x
  3. Step 3: Cross multiply
    141,196.20x = 194,838.06 × 77,532.60
  4. Step 4: Simplify right side
    141,196.20x = 15,106,301,370.76
  5. Step 5: Solve for x
    x = 15,106,301,370.76/141,196.20
  6. Step 6: Final answer
    x = 106,988.02

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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.