Home / 211,721.71-292,174.71-114,927.49

Finding the Fourth Proportional to 211,721.71, 292,174.71 and 114,927.49

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Solution

The fourth proportional to 211,721.71, 292,174.71 and 114,927.49 is: 158,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,721.71 : 292,174.71 = 114,927.49 : x
  2. Step 2: Convert to fraction form
    211,721.71/292,174.71 = 114,927.49/x
  3. Step 3: Cross multiply
    211,721.71x = 292,174.71 × 114,927.49
  4. Step 4: Simplify right side
    211,721.71x = 33,578,906,061.78
  5. Step 5: Solve for x
    x = 33,578,906,061.78/211,721.71
  6. Step 6: Final answer
    x = 158,599.26

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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.