Home / 212,711.40-319,067.10-94,394.70

Finding the Fourth Proportional to 212,711.40, 319,067.10 and 94,394.70

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Solution

The fourth proportional to 212,711.40, 319,067.10 and 94,394.70 is: 141,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711.40 : 319,067.10 = 94,394.70 : x
  2. Step 2: Convert to fraction form
    212,711.40/319,067.10 = 94,394.70/x
  3. Step 3: Cross multiply
    212,711.40x = 319,067.10 × 94,394.70
  4. Step 4: Simplify right side
    212,711.40x = 30,118,243,184.37
  5. Step 5: Solve for x
    x = 30,118,243,184.37/212,711.40
  6. Step 6: Final answer
    x = 141,592.05

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1.5x scale

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.