Home / 211,245.66-291,557.28-134,788.50

Finding the Fourth Proportional to 211,245.66, 291,557.28 and 134,788.50

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Solution

The fourth proportional to 211,245.66, 291,557.28 and 134,788.50 is: 186,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,245.66 : 291,557.28 = 134,788.50 : x
  2. Step 2: Convert to fraction form
    211,245.66/291,557.28 = 134,788.50/x
  3. Step 3: Cross multiply
    211,245.66x = 291,557.28 × 134,788.50
  4. Step 4: Simplify right side
    211,245.66x = 39,298,568,435.28
  5. Step 5: Solve for x
    x = 39,298,568,435.28/211,245.66
  6. Step 6: Final answer
    x = 186,032.55

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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.