Home / 130,217.22-179,700.12-73,629

Finding the Fourth Proportional to 130,217.22, 179,700.12 and 73,629

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Solution

The fourth proportional to 130,217.22, 179,700.12 and 73,629 is: 101,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,217.22 : 179,700.12 = 73,629 : x
  2. Step 2: Convert to fraction form
    130,217.22/179,700.12 = 73,629/x
  3. Step 3: Cross multiply
    130,217.22x = 179,700.12 × 73,629
  4. Step 4: Simplify right side
    130,217.22x = 13,231,140,135.48
  5. Step 5: Solve for x
    x = 13,231,140,135.48/130,217.22
  6. Step 6: Final answer
    x = 101,608.22

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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.