Home / 146,326.70-219,320.64-67,275.02

Finding the Fourth Proportional to 146,326.70, 219,320.64 and 67,275.02

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Solution

The fourth proportional to 146,326.70, 219,320.64 and 67,275.02 is: 100,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,326.70 : 219,320.64 = 67,275.02 : x
  2. Step 2: Convert to fraction form
    146,326.70/219,320.64 = 67,275.02/x
  3. Step 3: Cross multiply
    146,326.70x = 219,320.64 × 67,275.02
  4. Step 4: Simplify right side
    146,326.70x = 14,754,800,442.41
  5. Step 5: Solve for x
    x = 14,754,800,442.41/146,326.70
  6. Step 6: Final answer
    x = 100,834.64

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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.