Home / 211,838.82-292,341.06-115,042.92

Finding the Fourth Proportional to 211,838.82, 292,341.06 and 115,042.92

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Solution

The fourth proportional to 211,838.82, 292,341.06 and 115,042.92 is: 158,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,838.82 : 292,341.06 = 115,042.92 : x
  2. Step 2: Convert to fraction form
    211,838.82/292,341.06 = 115,042.92/x
  3. Step 3: Cross multiply
    211,838.82x = 292,341.06 × 115,042.92
  4. Step 4: Simplify right side
    211,838.82x = 33,631,769,178.30
  5. Step 5: Solve for x
    x = 33,631,769,178.30/211,838.82
  6. Step 6: Final answer
    x = 158,761.12

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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.