Home / 104,327.60-144,027.90-81,618.35

Finding the Fourth Proportional to 104,327.60, 144,027.90 and 81,618.35

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Solution

The fourth proportional to 104,327.60, 144,027.90 and 81,618.35 is: 112,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,327.60 : 144,027.90 = 81,618.35 : x
  2. Step 2: Convert to fraction form
    104,327.60/144,027.90 = 81,618.35/x
  3. Step 3: Cross multiply
    104,327.60x = 144,027.90 × 81,618.35
  4. Step 4: Simplify right side
    104,327.60x = 11,755,318,831.83
  5. Step 5: Solve for x
    x = 11,755,318,831.83/104,327.60
  6. Step 6: Final answer
    x = 112,676.98

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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.