Home / 175,521.19-242,142.33-102,887.28

Finding the Fourth Proportional to 175,521.19, 242,142.33 and 102,887.28

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Solution

The fourth proportional to 175,521.19, 242,142.33 and 102,887.28 is: 141,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,521.19 : 242,142.33 = 102,887.28 : x
  2. Step 2: Convert to fraction form
    175,521.19/242,142.33 = 102,887.28/x
  3. Step 3: Cross multiply
    175,521.19x = 242,142.33 × 102,887.28
  4. Step 4: Simplify right side
    175,521.19x = 24,913,365,706.56
  5. Step 5: Solve for x
    x = 24,913,365,706.56/175,521.19
  6. Step 6: Final answer
    x = 141,939.36

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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.