Home / 211,159.20-291,399.21-114,362.76

Finding the Fourth Proportional to 211,159.20, 291,399.21 and 114,362.76

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Solution

The fourth proportional to 211,159.20, 291,399.21 and 114,362.76 is: 157,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,159.20 : 291,399.21 = 114,362.76 : x
  2. Step 2: Convert to fraction form
    211,159.20/291,399.21 = 114,362.76/x
  3. Step 3: Cross multiply
    211,159.20x = 291,399.21 × 114,362.76
  4. Step 4: Simplify right side
    211,159.20x = 33,325,217,917.42
  5. Step 5: Solve for x
    x = 33,325,217,917.42/211,159.20
  6. Step 6: Final answer
    x = 157,820.35

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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.