Home / 163,785.78-226,021.59-92,165.58

Finding the Fourth Proportional to 163,785.78, 226,021.59 and 92,165.58

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Solution

The fourth proportional to 163,785.78, 226,021.59 and 92,165.58 is: 127,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,785.78 : 226,021.59 = 92,165.58 : x
  2. Step 2: Convert to fraction form
    163,785.78/226,021.59 = 92,165.58/x
  3. Step 3: Cross multiply
    163,785.78x = 226,021.59 × 92,165.58
  4. Step 4: Simplify right side
    163,785.78x = 20,831,410,934.87
  5. Step 5: Solve for x
    x = 20,831,410,934.87/163,785.78
  6. Step 6: Final answer
    x = 127,186.93

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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.