Home / 126,252.76-174,479.58-103,556.44

Finding the Fourth Proportional to 126,252.76, 174,479.58 and 103,556.44

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Solution

The fourth proportional to 126,252.76, 174,479.58 and 103,556.44 is: 143,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,252.76 : 174,479.58 = 103,556.44 : x
  2. Step 2: Convert to fraction form
    126,252.76/174,479.58 = 103,556.44/x
  3. Step 3: Cross multiply
    126,252.76x = 174,479.58 × 103,556.44
  4. Step 4: Simplify right side
    126,252.76x = 18,068,484,157.50
  5. Step 5: Solve for x
    x = 18,068,484,157.50/126,252.76
  6. Step 6: Final answer
    x = 143,113.58

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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.