Home / 130,455.88-195,642.86-55,575.24

Finding the Fourth Proportional to 130,455.88, 195,642.86 and 55,575.24

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Solution

The fourth proportional to 130,455.88, 195,642.86 and 55,575.24 is: 83,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,455.88 : 195,642.86 = 55,575.24 : x
  2. Step 2: Convert to fraction form
    130,455.88/195,642.86 = 55,575.24/x
  3. Step 3: Cross multiply
    130,455.88x = 195,642.86 × 55,575.24
  4. Step 4: Simplify right side
    130,455.88x = 10,872,898,898.79
  5. Step 5: Solve for x
    x = 10,872,898,898.79/130,455.88
  6. Step 6: Final answer
    x = 83,345.41

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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.