Home / 211,177.32-291,424.80-115,684.39

Finding the Fourth Proportional to 211,177.32, 291,424.80 and 115,684.39

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Solution

The fourth proportional to 211,177.32, 291,424.80 and 115,684.39 is: 159,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,177.32 : 291,424.80 = 115,684.39 : x
  2. Step 2: Convert to fraction form
    211,177.32/291,424.80 = 115,684.39/x
  3. Step 3: Cross multiply
    211,177.32x = 291,424.80 × 115,684.39
  4. Step 4: Simplify right side
    211,177.32x = 33,713,300,218.87
  5. Step 5: Solve for x
    x = 33,713,300,218.87/211,177.32
  6. Step 6: Final answer
    x = 159,644.51

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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.