Home / 130,339.49-195,502.74-76,334.52

Finding the Fourth Proportional to 130,339.49, 195,502.74 and 76,334.52

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Solution

The fourth proportional to 130,339.49, 195,502.74 and 76,334.52 is: 114,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339.49 : 195,502.74 = 76,334.52 : x
  2. Step 2: Convert to fraction form
    130,339.49/195,502.74 = 76,334.52/x
  3. Step 3: Cross multiply
    130,339.49x = 195,502.74 × 76,334.52
  4. Step 4: Simplify right side
    130,339.49x = 14,923,607,816.58
  5. Step 5: Solve for x
    x = 14,923,607,816.58/130,339.49
  6. Step 6: Final answer
    x = 114,497.98

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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.