Home / 126,652.08-174,764.76-72,954.60

Finding the Fourth Proportional to 126,652.08, 174,764.76 and 72,954.60

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Solution

The fourth proportional to 126,652.08, 174,764.76 and 72,954.60 is: 100,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,652.08 : 174,764.76 = 72,954.60 : x
  2. Step 2: Convert to fraction form
    126,652.08/174,764.76 = 72,954.60/x
  3. Step 3: Cross multiply
    126,652.08x = 174,764.76 × 72,954.60
  4. Step 4: Simplify right side
    126,652.08x = 12,749,893,159.90
  5. Step 5: Solve for x
    x = 12,749,893,159.90/126,652.08
  6. Step 6: Final answer
    x = 100,668.64

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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.