Home / 130,040.48-195,031.52-77,464.96

Finding the Fourth Proportional to 130,040.48, 195,031.52 and 77,464.96

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Solution

The fourth proportional to 130,040.48, 195,031.52 and 77,464.96 is: 116,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040.48 : 195,031.52 = 77,464.96 : x
  2. Step 2: Convert to fraction form
    130,040.48/195,031.52 = 77,464.96/x
  3. Step 3: Cross multiply
    130,040.48x = 195,031.52 × 77,464.96
  4. Step 4: Simplify right side
    130,040.48x = 15,108,108,895.54
  5. Step 5: Solve for x
    x = 15,108,108,895.54/130,040.48
  6. Step 6: Final answer
    x = 116,180.05

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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.