Home / 211,899.52-292,446.72-127,013.76

Finding the Fourth Proportional to 211,899.52, 292,446.72 and 127,013.76

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Solution

The fourth proportional to 211,899.52, 292,446.72 and 127,013.76 is: 175,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,899.52 : 292,446.72 = 127,013.76 : x
  2. Step 2: Convert to fraction form
    211,899.52/292,446.72 = 127,013.76/x
  3. Step 3: Cross multiply
    211,899.52x = 292,446.72 × 127,013.76
  4. Step 4: Simplify right side
    211,899.52x = 37,144,757,506.87
  5. Step 5: Solve for x
    x = 37,144,757,506.87/211,899.52
  6. Step 6: Final answer
    x = 175,294.20

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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.