Home / 110,770.19-152,801.31-72,591.32

Finding the Fourth Proportional to 110,770.19, 152,801.31 and 72,591.32

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Solution

The fourth proportional to 110,770.19, 152,801.31 and 72,591.32 is: 100,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,770.19 : 152,801.31 = 72,591.32 : x
  2. Step 2: Convert to fraction form
    110,770.19/152,801.31 = 72,591.32/x
  3. Step 3: Cross multiply
    110,770.19x = 152,801.31 × 72,591.32
  4. Step 4: Simplify right side
    110,770.19x = 11,092,048,790.63
  5. Step 5: Solve for x
    x = 11,092,048,790.63/110,770.19
  6. Step 6: Final answer
    x = 100,135.68

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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.