Home / 141,877.22-212,878.51-74,393.13

Finding the Fourth Proportional to 141,877.22, 212,878.51 and 74,393.13

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Solution

The fourth proportional to 141,877.22, 212,878.51 and 74,393.13 is: 111,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,877.22 : 212,878.51 = 74,393.13 : x
  2. Step 2: Convert to fraction form
    141,877.22/212,878.51 = 74,393.13/x
  3. Step 3: Cross multiply
    141,877.22x = 212,878.51 × 74,393.13
  4. Step 4: Simplify right side
    141,877.22x = 15,836,698,668.64
  5. Step 5: Solve for x
    x = 15,836,698,668.64/141,877.22
  6. Step 6: Final answer
    x = 111,622.57

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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.