Home / 140,364.26-193,703.16-76,702.07

Finding the Fourth Proportional to 140,364.26, 193,703.16 and 76,702.07

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Solution

The fourth proportional to 140,364.26, 193,703.16 and 76,702.07 is: 105,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,364.26 : 193,703.16 = 76,702.07 : x
  2. Step 2: Convert to fraction form
    140,364.26/193,703.16 = 76,702.07/x
  3. Step 3: Cross multiply
    140,364.26x = 193,703.16 × 76,702.07
  4. Step 4: Simplify right side
    140,364.26x = 14,857,434,109.43
  5. Step 5: Solve for x
    x = 14,857,434,109.43/140,364.26
  6. Step 6: Final answer
    x = 105,849.13

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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.