Home / 211,770.94-292,253.43-126,886.18

Finding the Fourth Proportional to 211,770.94, 292,253.43 and 126,886.18

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Solution

The fourth proportional to 211,770.94, 292,253.43 and 126,886.18 is: 175,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,770.94 : 292,253.43 = 126,886.18 : x
  2. Step 2: Convert to fraction form
    211,770.94/292,253.43 = 126,886.18/x
  3. Step 3: Cross multiply
    211,770.94x = 292,253.43 × 126,886.18
  4. Step 4: Simplify right side
    211,770.94x = 37,082,921,324.60
  5. Step 5: Solve for x
    x = 37,082,921,324.60/211,770.94
  6. Step 6: Final answer
    x = 175,108.64

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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.