Home / 211,069.58-291,275.85-115,578.14

Finding the Fourth Proportional to 211,069.58, 291,275.85 and 115,578.14

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Solution

The fourth proportional to 211,069.58, 291,275.85 and 115,578.14 is: 159,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,069.58 : 291,275.85 = 115,578.14 : x
  2. Step 2: Convert to fraction form
    211,069.58/291,275.85 = 115,578.14/x
  3. Step 3: Cross multiply
    211,069.58x = 291,275.85 × 115,578.14
  4. Step 4: Simplify right side
    211,069.58x = 33,665,120,969.92
  5. Step 5: Solve for x
    x = 33,665,120,969.92/211,069.58
  6. Step 6: Final answer
    x = 159,497.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.