Home / 130,735.74-180,400.44-73,363.20

Finding the Fourth Proportional to 130,735.74, 180,400.44 and 73,363.20

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Solution

The fourth proportional to 130,735.74, 180,400.44 and 73,363.20 is: 101,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,735.74 : 180,400.44 = 73,363.20 : x
  2. Step 2: Convert to fraction form
    130,735.74/180,400.44 = 73,363.20/x
  3. Step 3: Cross multiply
    130,735.74x = 180,400.44 × 73,363.20
  4. Step 4: Simplify right side
    130,735.74x = 13,234,753,559.81
  5. Step 5: Solve for x
    x = 13,234,753,559.81/130,735.74
  6. Step 6: Final answer
    x = 101,232.87

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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.