Home / 106,045.23-146,342.80-58,301.61

Finding the Fourth Proportional to 106,045.23, 146,342.80 and 58,301.61

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Solution

The fourth proportional to 106,045.23, 146,342.80 and 58,301.61 is: 80,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,045.23 : 146,342.80 = 58,301.61 : x
  2. Step 2: Convert to fraction form
    106,045.23/146,342.80 = 58,301.61/x
  3. Step 3: Cross multiply
    106,045.23x = 146,342.80 × 58,301.61
  4. Step 4: Simplify right side
    106,045.23x = 8,532,020,376.00
  5. Step 5: Solve for x
    x = 8,532,020,376.00/106,045.23
  6. Step 6: Final answer
    x = 80,456.42

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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.