Home / 126,749.28-174,932.76-73,024.08

Finding the Fourth Proportional to 126,749.28, 174,932.76 and 73,024.08

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Solution

The fourth proportional to 126,749.28, 174,932.76 and 73,024.08 is: 100,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749.28 : 174,932.76 = 73,024.08 : x
  2. Step 2: Convert to fraction form
    126,749.28/174,932.76 = 73,024.08/x
  3. Step 3: Cross multiply
    126,749.28x = 174,932.76 × 73,024.08
  4. Step 4: Simplify right side
    126,749.28x = 12,774,303,860.86
  5. Step 5: Solve for x
    x = 12,774,303,860.86/126,749.28
  6. Step 6: Final answer
    x = 100,784.03

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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.