Home / 140,263.16-193,554.66-76,588.04

Finding the Fourth Proportional to 140,263.16, 193,554.66 and 76,588.04

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Solution

The fourth proportional to 140,263.16, 193,554.66 and 76,588.04 is: 105,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,263.16 : 193,554.66 = 76,588.04 : x
  2. Step 2: Convert to fraction form
    140,263.16/193,554.66 = 76,588.04/x
  3. Step 3: Cross multiply
    140,263.16x = 193,554.66 × 76,588.04
  4. Step 4: Simplify right side
    140,263.16x = 14,823,972,042.27
  5. Step 5: Solve for x
    x = 14,823,972,042.27/140,263.16
  6. Step 6: Final answer
    x = 105,686.85

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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.