Home / 211,053.60-291,245.04-115,558.56

Finding the Fourth Proportional to 211,053.60, 291,245.04 and 115,558.56

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Solution

The fourth proportional to 211,053.60, 291,245.04 and 115,558.56 is: 159,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,053.60 : 291,245.04 = 115,558.56 : x
  2. Step 2: Convert to fraction form
    211,053.60/291,245.04 = 115,558.56/x
  3. Step 3: Cross multiply
    211,053.60x = 291,245.04 × 115,558.56
  4. Step 4: Simplify right side
    211,053.60x = 33,655,857,429.54
  5. Step 5: Solve for x
    x = 33,655,857,429.54/211,053.60
  6. Step 6: Final answer
    x = 159,465.92

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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.