Home / 130,140.75-179,627.09-73,584.93

Finding the Fourth Proportional to 130,140.75, 179,627.09 and 73,584.93

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Solution

The fourth proportional to 130,140.75, 179,627.09 and 73,584.93 is: 101,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,140.75 : 179,627.09 = 73,584.93 : x
  2. Step 2: Convert to fraction form
    130,140.75/179,627.09 = 73,584.93/x
  3. Step 3: Cross multiply
    130,140.75x = 179,627.09 × 73,584.93
  4. Step 4: Simplify right side
    130,140.75x = 13,217,846,475.83
  5. Step 5: Solve for x
    x = 13,217,846,475.83/130,140.75
  6. Step 6: Final answer
    x = 101,565.78

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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.