Home / 211,024.14-291,218.40-115,530.54

Finding the Fourth Proportional to 211,024.14, 291,218.40 and 115,530.54

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Solution

The fourth proportional to 211,024.14, 291,218.40 and 115,530.54 is: 159,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,024.14 : 291,218.40 = 115,530.54 : x
  2. Step 2: Convert to fraction form
    211,024.14/291,218.40 = 115,530.54/x
  3. Step 3: Cross multiply
    211,024.14x = 291,218.40 × 115,530.54
  4. Step 4: Simplify right side
    211,024.14x = 33,644,619,009.94
  5. Step 5: Solve for x
    x = 33,644,619,009.94/211,024.14
  6. Step 6: Final answer
    x = 159,434.93

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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.