Home / 211,348.20-291,658.14-115,854.60

Finding the Fourth Proportional to 211,348.20, 291,658.14 and 115,854.60

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Solution

The fourth proportional to 211,348.20, 291,658.14 and 115,854.60 is: 159,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,348.20 : 291,658.14 = 115,854.60 : x
  2. Step 2: Convert to fraction form
    211,348.20/291,658.14 = 115,854.60/x
  3. Step 3: Cross multiply
    211,348.20x = 291,658.14 × 115,854.60
  4. Step 4: Simplify right side
    211,348.20x = 33,789,937,146.44
  5. Step 5: Solve for x
    x = 33,789,937,146.44/211,348.20
  6. Step 6: Final answer
    x = 159,878.05

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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.