Home / 211,112.42-291,335.03-114,316.25

Finding the Fourth Proportional to 211,112.42, 291,335.03 and 114,316.25

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Solution

The fourth proportional to 211,112.42, 291,335.03 and 114,316.25 is: 157,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,112.42 : 291,335.03 = 114,316.25 : x
  2. Step 2: Convert to fraction form
    211,112.42/291,335.03 = 114,316.25/x
  3. Step 3: Cross multiply
    211,112.42x = 291,335.03 × 114,316.25
  4. Step 4: Simplify right side
    211,112.42x = 33,304,329,137.37
  5. Step 5: Solve for x
    x = 33,304,329,137.37/211,112.42
  6. Step 6: Final answer
    x = 157,756.37

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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.