Home / 141,326.40-211,989.60-132,578.40

Finding the Fourth Proportional to 141,326.40, 211,989.60 and 132,578.40

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Solution

The fourth proportional to 141,326.40, 211,989.60 and 132,578.40 is: 198,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,326.40 : 211,989.60 = 132,578.40 : x
  2. Step 2: Convert to fraction form
    141,326.40/211,989.60 = 132,578.40/x
  3. Step 3: Cross multiply
    141,326.40x = 211,989.60 × 132,578.40
  4. Step 4: Simplify right side
    141,326.40x = 28,105,241,984.64
  5. Step 5: Solve for x
    x = 28,105,241,984.64/141,326.40
  6. Step 6: Final answer
    x = 198,867.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.