Home / 140,707.14-194,173.93-77,044.94

Finding the Fourth Proportional to 140,707.14, 194,173.93 and 77,044.94

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Solution

The fourth proportional to 140,707.14, 194,173.93 and 77,044.94 is: 106,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,707.14 : 194,173.93 = 77,044.94 : x
  2. Step 2: Convert to fraction form
    140,707.14/194,173.93 = 77,044.94/x
  3. Step 3: Cross multiply
    140,707.14x = 194,173.93 × 77,044.94
  4. Step 4: Simplify right side
    140,707.14x = 14,960,117,430.32
  5. Step 5: Solve for x
    x = 14,960,117,430.32/140,707.14
  6. Step 6: Final answer
    x = 106,320.95

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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.