Home / 211,678.83-292,120.56-116,194.41

Finding the Fourth Proportional to 211,678.83, 292,120.56 and 116,194.41

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Solution

The fourth proportional to 211,678.83, 292,120.56 and 116,194.41 is: 160,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,678.83 : 292,120.56 = 116,194.41 : x
  2. Step 2: Convert to fraction form
    211,678.83/292,120.56 = 116,194.41/x
  3. Step 3: Cross multiply
    211,678.83x = 292,120.56 × 116,194.41
  4. Step 4: Simplify right side
    211,678.83x = 33,942,776,118.07
  5. Step 5: Solve for x
    x = 33,942,776,118.07/211,678.83
  6. Step 6: Final answer
    x = 160,350.36

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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.