Home / 106,196.19-146,545.16-58,440.30

Finding the Fourth Proportional to 106,196.19, 146,545.16 and 58,440.30

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Solution

The fourth proportional to 106,196.19, 146,545.16 and 58,440.30 is: 80,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,196.19 : 146,545.16 = 58,440.30 : x
  2. Step 2: Convert to fraction form
    106,196.19/146,545.16 = 58,440.30/x
  3. Step 3: Cross multiply
    106,196.19x = 146,545.16 × 58,440.30
  4. Step 4: Simplify right side
    106,196.19x = 8,564,142,821.75
  5. Step 5: Solve for x
    x = 8,564,142,821.75/106,196.19
  6. Step 6: Final answer
    x = 80,644.54

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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.