Home / 130,157.16-179,601.96-73,568.40

Finding the Fourth Proportional to 130,157.16, 179,601.96 and 73,568.40

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Solution

The fourth proportional to 130,157.16, 179,601.96 and 73,568.40 is: 101,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,157.16 : 179,601.96 = 73,568.40 : x
  2. Step 2: Convert to fraction form
    130,157.16/179,601.96 = 73,568.40/x
  3. Step 3: Cross multiply
    130,157.16x = 179,601.96 × 73,568.40
  4. Step 4: Simplify right side
    130,157.16x = 13,213,028,834.06
  5. Step 5: Solve for x
    x = 13,213,028,834.06/130,157.16
  6. Step 6: Final answer
    x = 101,515.96

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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.