Home / 161,698.32-223,130.43-92,790.81

Finding the Fourth Proportional to 161,698.32, 223,130.43 and 92,790.81

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Solution

The fourth proportional to 161,698.32, 223,130.43 and 92,790.81 is: 128,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,698.32 : 223,130.43 = 92,790.81 : x
  2. Step 2: Convert to fraction form
    161,698.32/223,130.43 = 92,790.81/x
  3. Step 3: Cross multiply
    161,698.32x = 223,130.43 × 92,790.81
  4. Step 4: Simplify right side
    161,698.32x = 20,704,453,335.35
  5. Step 5: Solve for x
    x = 20,704,453,335.35/161,698.32
  6. Step 6: Final answer
    x = 128,043.71

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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.