Home / 141,713.54-212,319.65-133,284.50

Finding the Fourth Proportional to 141,713.54, 212,319.65 and 133,284.50

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Solution

The fourth proportional to 141,713.54, 212,319.65 and 133,284.50 is: 199,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.54 : 212,319.65 = 133,284.50 : x
  2. Step 2: Convert to fraction form
    141,713.54/212,319.65 = 133,284.50/x
  3. Step 3: Cross multiply
    141,713.54x = 212,319.65 × 133,284.50
  4. Step 4: Simplify right side
    141,713.54x = 28,298,917,662.04
  5. Step 5: Solve for x
    x = 28,298,917,662.04/141,713.54
  6. Step 6: Final answer
    x = 199,691.00

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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.