Home / 162,016.76-223,582.82-90,392.52

Finding the Fourth Proportional to 162,016.76, 223,582.82 and 90,392.52

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Solution

The fourth proportional to 162,016.76, 223,582.82 and 90,392.52 is: 124,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,016.76 : 223,582.82 = 90,392.52 : x
  2. Step 2: Convert to fraction form
    162,016.76/223,582.82 = 90,392.52/x
  3. Step 3: Cross multiply
    162,016.76x = 223,582.82 × 90,392.52
  4. Step 4: Simplify right side
    162,016.76x = 20,210,214,528.51
  5. Step 5: Solve for x
    x = 20,210,214,528.51/162,016.76
  6. Step 6: Final answer
    x = 124,741.51

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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.