Home / 175,628.30-242,341.07-103,003.70

Finding the Fourth Proportional to 175,628.30, 242,341.07 and 103,003.70

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Solution

The fourth proportional to 175,628.30, 242,341.07 and 103,003.70 is: 142,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,628.30 : 242,341.07 = 103,003.70 : x
  2. Step 2: Convert to fraction form
    175,628.30/242,341.07 = 103,003.70/x
  3. Step 3: Cross multiply
    175,628.30x = 242,341.07 × 103,003.70
  4. Step 4: Simplify right side
    175,628.30x = 24,962,025,145.24
  5. Step 5: Solve for x
    x = 24,962,025,145.24/175,628.30
  6. Step 6: Final answer
    x = 142,129.86

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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.