Home / 119,223.20-164,542.32-71,502.80

Finding the Fourth Proportional to 119,223.20, 164,542.32 and 71,502.80

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Solution

The fourth proportional to 119,223.20, 164,542.32 and 71,502.80 is: 98,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,223.20 : 164,542.32 = 71,502.80 : x
  2. Step 2: Convert to fraction form
    119,223.20/164,542.32 = 71,502.80/x
  3. Step 3: Cross multiply
    119,223.20x = 164,542.32 × 71,502.80
  4. Step 4: Simplify right side
    119,223.20x = 11,765,236,598.50
  5. Step 5: Solve for x
    x = 11,765,236,598.50/119,223.20
  6. Step 6: Final answer
    x = 98,682.44

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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.