Home / 219,545.08-303,021.90-124,107.16

Finding the Fourth Proportional to 219,545.08, 303,021.90 and 124,107.16

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Solution

The fourth proportional to 219,545.08, 303,021.90 and 124,107.16 is: 171,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,545.08 : 303,021.90 = 124,107.16 : x
  2. Step 2: Convert to fraction form
    219,545.08/303,021.90 = 124,107.16/x
  3. Step 3: Cross multiply
    219,545.08x = 303,021.90 × 124,107.16
  4. Step 4: Simplify right side
    219,545.08x = 37,607,187,426.80
  5. Step 5: Solve for x
    x = 37,607,187,426.80/219,545.08
  6. Step 6: Final answer
    x = 171,295.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.