Home / 162,203.58-223,844.31-90,583.68

Finding the Fourth Proportional to 162,203.58, 223,844.31 and 90,583.68

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Solution

The fourth proportional to 162,203.58, 223,844.31 and 90,583.68 is: 125,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,203.58 : 223,844.31 = 90,583.68 : x
  2. Step 2: Convert to fraction form
    162,203.58/223,844.31 = 90,583.68/x
  3. Step 3: Cross multiply
    162,203.58x = 223,844.31 × 90,583.68
  4. Step 4: Simplify right side
    162,203.58x = 20,276,641,346.86
  5. Step 5: Solve for x
    x = 20,276,641,346.86/162,203.58
  6. Step 6: Final answer
    x = 125,007.36

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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.