Home / 211,377.67-291,701.18-115,885.04

Finding the Fourth Proportional to 211,377.67, 291,701.18 and 115,885.04

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Solution

The fourth proportional to 211,377.67, 291,701.18 and 115,885.04 is: 159,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,377.67 : 291,701.18 = 115,885.04 : x
  2. Step 2: Convert to fraction form
    211,377.67/291,701.18 = 115,885.04/x
  3. Step 3: Cross multiply
    211,377.67x = 291,701.18 × 115,885.04
  4. Step 4: Simplify right side
    211,377.67x = 33,803,801,743.55
  5. Step 5: Solve for x
    x = 33,803,801,743.55/211,377.67
  6. Step 6: Final answer
    x = 159,921.35

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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.