Home / 211,446.45-316,991.98-99,067.46

Finding the Fourth Proportional to 211,446.45, 316,991.98 and 99,067.46

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Solution

The fourth proportional to 211,446.45, 316,991.98 and 99,067.46 is: 148,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,446.45 : 316,991.98 = 99,067.46 : x
  2. Step 2: Convert to fraction form
    211,446.45/316,991.98 = 99,067.46/x
  3. Step 3: Cross multiply
    211,446.45x = 316,991.98 × 99,067.46
  4. Step 4: Simplify right side
    211,446.45x = 31,403,588,837.85
  5. Step 5: Solve for x
    x = 31,403,588,837.85/211,446.45
  6. Step 6: Final answer
    x = 148,517.93

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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.