Home / 211,126.34-291,354.17-114,330.15

Finding the Fourth Proportional to 211,126.34, 291,354.17 and 114,330.15

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Solution

The fourth proportional to 211,126.34, 291,354.17 and 114,330.15 is: 157,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,126.34 : 291,354.17 = 114,330.15 : x
  2. Step 2: Convert to fraction form
    211,126.34/291,354.17 = 114,330.15/x
  3. Step 3: Cross multiply
    211,126.34x = 291,354.17 × 114,330.15
  4. Step 4: Simplify right side
    211,126.34x = 33,310,565,387.57
  5. Step 5: Solve for x
    x = 33,310,565,387.57/211,126.34
  6. Step 6: Final answer
    x = 157,775.51

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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.