Home / 113,060.48-155,934.44-100,153.56

Finding the Fourth Proportional to 113,060.48, 155,934.44 and 100,153.56

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Solution

The fourth proportional to 113,060.48, 155,934.44 and 100,153.56 is: 138,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,060.48 : 155,934.44 = 100,153.56 : x
  2. Step 2: Convert to fraction form
    113,060.48/155,934.44 = 100,153.56/x
  3. Step 3: Cross multiply
    113,060.48x = 155,934.44 × 100,153.56
  4. Step 4: Simplify right side
    113,060.48x = 15,617,389,292.61
  5. Step 5: Solve for x
    x = 15,617,389,292.61/113,060.48
  6. Step 6: Final answer
    x = 138,133.05

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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.