Home / 175,531.86-242,130.06-107,579.34

Finding the Fourth Proportional to 175,531.86, 242,130.06 and 107,579.34

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Solution

The fourth proportional to 175,531.86, 242,130.06 and 107,579.34 is: 148,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,531.86 : 242,130.06 = 107,579.34 : x
  2. Step 2: Convert to fraction form
    175,531.86/242,130.06 = 107,579.34/x
  3. Step 3: Cross multiply
    175,531.86x = 242,130.06 × 107,579.34
  4. Step 4: Simplify right side
    175,531.86x = 26,048,192,048.96
  5. Step 5: Solve for x
    x = 26,048,192,048.96/175,531.86
  6. Step 6: Final answer
    x = 148,395.81

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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.