Home / 108,947.16-150,357.96-73,211.58

Finding the Fourth Proportional to 108,947.16, 150,357.96 and 73,211.58

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Solution

The fourth proportional to 108,947.16, 150,357.96 and 73,211.58 is: 101,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,947.16 : 150,357.96 = 73,211.58 : x
  2. Step 2: Convert to fraction form
    108,947.16/150,357.96 = 73,211.58/x
  3. Step 3: Cross multiply
    108,947.16x = 150,357.96 × 73,211.58
  4. Step 4: Simplify right side
    108,947.16x = 11,007,943,817.18
  5. Step 5: Solve for x
    x = 11,007,943,817.18/108,947.16
  6. Step 6: Final answer
    x = 101,039.29

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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.