Home / 211,769.42-292,239.78-116,275.28

Finding the Fourth Proportional to 211,769.42, 292,239.78 and 116,275.28

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Solution

The fourth proportional to 211,769.42, 292,239.78 and 116,275.28 is: 160,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,769.42 : 292,239.78 = 116,275.28 : x
  2. Step 2: Convert to fraction form
    211,769.42/292,239.78 = 116,275.28/x
  3. Step 3: Cross multiply
    211,769.42x = 292,239.78 × 116,275.28
  4. Step 4: Simplify right side
    211,769.42x = 33,980,262,246.64
  5. Step 5: Solve for x
    x = 33,980,262,246.64/211,769.42
  6. Step 6: Final answer
    x = 160,458.78

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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.