Home / 126,303.32-188,973.84-112,306.52

Finding the Fourth Proportional to 126,303.32, 188,973.84 and 112,306.52

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Solution

The fourth proportional to 126,303.32, 188,973.84 and 112,306.52 is: 168,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,303.32 : 188,973.84 = 112,306.52 : x
  2. Step 2: Convert to fraction form
    126,303.32/188,973.84 = 112,306.52/x
  3. Step 3: Cross multiply
    126,303.32x = 188,973.84 × 112,306.52
  4. Step 4: Simplify right side
    126,303.32x = 21,222,994,341.44
  5. Step 5: Solve for x
    x = 21,222,994,341.44/126,303.32
  6. Step 6: Final answer
    x = 168,031.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.