Home / 211,924.46-317,461.98-127,637.48

Finding the Fourth Proportional to 211,924.46, 317,461.98 and 127,637.48

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Solution

The fourth proportional to 211,924.46, 317,461.98 and 127,637.48 is: 191,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,924.46 : 317,461.98 = 127,637.48 : x
  2. Step 2: Convert to fraction form
    211,924.46/317,461.98 = 127,637.48/x
  3. Step 3: Cross multiply
    211,924.46x = 317,461.98 × 127,637.48
  4. Step 4: Simplify right side
    211,924.46x = 40,520,047,123.01
  5. Step 5: Solve for x
    x = 40,520,047,123.01/211,924.46
  6. Step 6: Final answer
    x = 191,200.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.