Home / 211,037.73-291,231.93-115,544.40

Finding the Fourth Proportional to 211,037.73, 291,231.93 and 115,544.40

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Solution

The fourth proportional to 211,037.73, 291,231.93 and 115,544.40 is: 159,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,037.73 : 291,231.93 = 115,544.40 : x
  2. Step 2: Convert to fraction form
    211,037.73/291,231.93 = 115,544.40/x
  3. Step 3: Cross multiply
    211,037.73x = 291,231.93 × 115,544.40
  4. Step 4: Simplify right side
    211,037.73x = 33,650,218,612.69
  5. Step 5: Solve for x
    x = 33,650,218,612.69/211,037.73
  6. Step 6: Final answer
    x = 159,451.20

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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.