Home / 105,192.32-157,788.48-26,306.54

Finding the Fourth Proportional to 105,192.32, 157,788.48 and 26,306.54

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Solution

The fourth proportional to 105,192.32, 157,788.48 and 26,306.54 is: 39,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192.32 : 157,788.48 = 26,306.54 : x
  2. Step 2: Convert to fraction form
    105,192.32/157,788.48 = 26,306.54/x
  3. Step 3: Cross multiply
    105,192.32x = 157,788.48 × 26,306.54
  4. Step 4: Simplify right side
    105,192.32x = 4,150,868,960.66
  5. Step 5: Solve for x
    x = 4,150,868,960.66/105,192.32
  6. Step 6: Final answer
    x = 39,459.81

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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.