Home / 175,821.67-242,955.75-127,991.98

Finding the Fourth Proportional to 175,821.67, 242,955.75 and 127,991.98

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Solution

The fourth proportional to 175,821.67, 242,955.75 and 127,991.98 is: 176,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,821.67 : 242,955.75 = 127,991.98 : x
  2. Step 2: Convert to fraction form
    175,821.67/242,955.75 = 127,991.98/x
  3. Step 3: Cross multiply
    175,821.67x = 242,955.75 × 127,991.98
  4. Step 4: Simplify right side
    175,821.67x = 31,096,387,494.89
  5. Step 5: Solve for x
    x = 31,096,387,494.89/175,821.67
  6. Step 6: Final answer
    x = 176,863.22

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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.