Home / 119,961.41-165,361.50-86,008.23

Finding the Fourth Proportional to 119,961.41, 165,361.50 and 86,008.23

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Solution

The fourth proportional to 119,961.41, 165,361.50 and 86,008.23 is: 118,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,961.41 : 165,361.50 = 86,008.23 : x
  2. Step 2: Convert to fraction form
    119,961.41/165,361.50 = 86,008.23/x
  3. Step 3: Cross multiply
    119,961.41x = 165,361.50 × 86,008.23
  4. Step 4: Simplify right side
    119,961.41x = 14,222,449,925.15
  5. Step 5: Solve for x
    x = 14,222,449,925.15/119,961.41
  6. Step 6: Final answer
    x = 118,558.55

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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.