Home / 126,468.90-190,031.40-112,034.70

Finding the Fourth Proportional to 126,468.90, 190,031.40 and 112,034.70

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Solution

The fourth proportional to 126,468.90, 190,031.40 and 112,034.70 is: 168,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,468.90 : 190,031.40 = 112,034.70 : x
  2. Step 2: Convert to fraction form
    126,468.90/190,031.40 = 112,034.70/x
  3. Step 3: Cross multiply
    126,468.90x = 190,031.40 × 112,034.70
  4. Step 4: Simplify right side
    126,468.90x = 21,290,110,889.58
  5. Step 5: Solve for x
    x = 21,290,110,889.58/126,468.90
  6. Step 6: Final answer
    x = 168,342.66

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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.