Home / 168,716.18-253,067.90-42,357.40

Finding the Fourth Proportional to 168,716.18, 253,067.90 and 42,357.40

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Solution

The fourth proportional to 168,716.18, 253,067.90 and 42,357.40 is: 63,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,716.18 : 253,067.90 = 42,357.40 : x
  2. Step 2: Convert to fraction form
    168,716.18/253,067.90 = 42,357.40/x
  3. Step 3: Cross multiply
    168,716.18x = 253,067.90 × 42,357.40
  4. Step 4: Simplify right side
    168,716.18x = 10,719,297,423.00
  5. Step 5: Solve for x
    x = 10,719,297,423.00/168,716.18
  6. Step 6: Final answer
    x = 63,534.49

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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.