Home / 130,731.03-196,129.22-37,236.78

Finding the Fourth Proportional to 130,731.03, 196,129.22 and 37,236.78

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Solution

The fourth proportional to 130,731.03, 196,129.22 and 37,236.78 is: 55,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,731.03 : 196,129.22 = 37,236.78 : x
  2. Step 2: Convert to fraction form
    130,731.03/196,129.22 = 37,236.78/x
  3. Step 3: Cross multiply
    130,731.03x = 196,129.22 × 37,236.78
  4. Step 4: Simplify right side
    130,731.03x = 7,303,220,430.53
  5. Step 5: Solve for x
    x = 7,303,220,430.53/130,731.03
  6. Step 6: Final answer
    x = 55,864.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.