Home / 130,157.28-179,632.80-73,568.16

Finding the Fourth Proportional to 130,157.28, 179,632.80 and 73,568.16

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Solution

The fourth proportional to 130,157.28, 179,632.80 and 73,568.16 is: 101,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,157.28 : 179,632.80 = 73,568.16 : x
  2. Step 2: Convert to fraction form
    130,157.28/179,632.80 = 73,568.16/x
  3. Step 3: Cross multiply
    130,157.28x = 179,632.80 × 73,568.16
  4. Step 4: Simplify right side
    130,157.28x = 13,215,254,571.65
  5. Step 5: Solve for x
    x = 13,215,254,571.65/130,157.28
  6. Step 6: Final answer
    x = 101,532.97

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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.