Home / 104,945.44-144,742.80-67,223.20

Finding the Fourth Proportional to 104,945.44, 144,742.80 and 67,223.20

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Solution

The fourth proportional to 104,945.44, 144,742.80 and 67,223.20 is: 92,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,945.44 : 144,742.80 = 67,223.20 : x
  2. Step 2: Convert to fraction form
    104,945.44/144,742.80 = 67,223.20/x
  3. Step 3: Cross multiply
    104,945.44x = 144,742.80 × 67,223.20
  4. Step 4: Simplify right side
    104,945.44x = 9,730,074,192.96
  5. Step 5: Solve for x
    x = 9,730,074,192.96/104,945.44
  6. Step 6: Final answer
    x = 92,715.55

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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.