Home / 175,862.72-242,685.28-100,396.48

Finding the Fourth Proportional to 175,862.72, 242,685.28 and 100,396.48

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Solution

The fourth proportional to 175,862.72, 242,685.28 and 100,396.48 is: 138,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,862.72 : 242,685.28 = 100,396.48 : x
  2. Step 2: Convert to fraction form
    175,862.72/242,685.28 = 100,396.48/x
  3. Step 3: Cross multiply
    175,862.72x = 242,685.28 × 100,396.48
  4. Step 4: Simplify right side
    175,862.72x = 24,364,747,859.81
  5. Step 5: Solve for x
    x = 24,364,747,859.81/175,862.72
  6. Step 6: Final answer
    x = 138,544.13

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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.