Home / 175,617.84-242,356.32-103,971.72

Finding the Fourth Proportional to 175,617.84, 242,356.32 and 103,971.72

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Solution

The fourth proportional to 175,617.84, 242,356.32 and 103,971.72 is: 143,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,617.84 : 242,356.32 = 103,971.72 : x
  2. Step 2: Convert to fraction form
    175,617.84/242,356.32 = 103,971.72/x
  3. Step 3: Cross multiply
    175,617.84x = 242,356.32 × 103,971.72
  4. Step 4: Simplify right side
    175,617.84x = 25,198,203,443.27
  5. Step 5: Solve for x
    x = 25,198,203,443.27/175,617.84
  6. Step 6: Final answer
    x = 143,483.16

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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.