Home / 99,157.40-136,721.60-73,963.16

Finding the Fourth Proportional to 99,157.40, 136,721.60 and 73,963.16

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Solution

The fourth proportional to 99,157.40, 136,721.60 and 73,963.16 is: 101,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.40 : 136,721.60 = 73,963.16 : x
  2. Step 2: Convert to fraction form
    99,157.40/136,721.60 = 73,963.16/x
  3. Step 3: Cross multiply
    99,157.40x = 136,721.60 × 73,963.16
  4. Step 4: Simplify right side
    99,157.40x = 10,112,361,576.26
  5. Step 5: Solve for x
    x = 10,112,361,576.26/99,157.40
  6. Step 6: Final answer
    x = 101,982.92

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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.