Home / 219,913.10-329,869.65-101,545.10

Finding the Fourth Proportional to 219,913.10, 329,869.65 and 101,545.10

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Solution

The fourth proportional to 219,913.10, 329,869.65 and 101,545.10 is: 152,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,913.10 : 329,869.65 = 101,545.10 : x
  2. Step 2: Convert to fraction form
    219,913.10/329,869.65 = 101,545.10/x
  3. Step 3: Cross multiply
    219,913.10x = 329,869.65 × 101,545.10
  4. Step 4: Simplify right side
    219,913.10x = 33,496,646,596.22
  5. Step 5: Solve for x
    x = 33,496,646,596.22/219,913.10
  6. Step 6: Final answer
    x = 152,317.65

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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.