Home / 130,199.60-179,653.20-73,609.76

Finding the Fourth Proportional to 130,199.60, 179,653.20 and 73,609.76

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Solution

The fourth proportional to 130,199.60, 179,653.20 and 73,609.76 is: 101,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,199.60 : 179,653.20 = 73,609.76 : x
  2. Step 2: Convert to fraction form
    130,199.60/179,653.20 = 73,609.76/x
  3. Step 3: Cross multiply
    130,199.60x = 179,653.20 × 73,609.76
  4. Step 4: Simplify right side
    130,199.60x = 13,224,228,935.23
  5. Step 5: Solve for x
    x = 13,224,228,935.23/130,199.60
  6. Step 6: Final answer
    x = 101,568.89

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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.