Home / 295,301.30-442,865.55-105,739.70

Finding the Fourth Proportional to 295,301.30, 442,865.55 and 105,739.70

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Solution

The fourth proportional to 295,301.30, 442,865.55 and 105,739.70 is: 158,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,301.30 : 442,865.55 = 105,739.70 : x
  2. Step 2: Convert to fraction form
    295,301.30/442,865.55 = 105,739.70/x
  3. Step 3: Cross multiply
    295,301.30x = 442,865.55 × 105,739.70
  4. Step 4: Simplify right side
    295,301.30x = 46,828,470,397.34
  5. Step 5: Solve for x
    x = 46,828,470,397.34/295,301.30
  6. Step 6: Final answer
    x = 158,578.61

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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.