Home / 130,107.16-179,551.38-73,517.32

Finding the Fourth Proportional to 130,107.16, 179,551.38 and 73,517.32

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Solution

The fourth proportional to 130,107.16, 179,551.38 and 73,517.32 is: 101,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,107.16 : 179,551.38 = 73,517.32 : x
  2. Step 2: Convert to fraction form
    130,107.16/179,551.38 = 73,517.32/x
  3. Step 3: Cross multiply
    130,107.16x = 179,551.38 × 73,517.32
  4. Step 4: Simplify right side
    130,107.16x = 13,200,136,259.90
  5. Step 5: Solve for x
    x = 13,200,136,259.90/130,107.16
  6. Step 6: Final answer
    x = 101,455.88

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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.