Home / 175,828.08-242,637.70-103,229.76

Finding the Fourth Proportional to 175,828.08, 242,637.70 and 103,229.76

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Solution

The fourth proportional to 175,828.08, 242,637.70 and 103,229.76 is: 142,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,828.08 : 242,637.70 = 103,229.76 : x
  2. Step 2: Convert to fraction form
    175,828.08/242,637.70 = 103,229.76/x
  3. Step 3: Cross multiply
    175,828.08x = 242,637.70 × 103,229.76
  4. Step 4: Simplify right side
    175,828.08x = 25,047,431,537.95
  5. Step 5: Solve for x
    x = 25,047,431,537.95/175,828.08
  6. Step 6: Final answer
    x = 142,454.10

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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.