Home / 175,403.48-242,038.14-103,786.52

Finding the Fourth Proportional to 175,403.48, 242,038.14 and 103,786.52

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Solution

The fourth proportional to 175,403.48, 242,038.14 and 103,786.52 is: 143,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,403.48 : 242,038.14 = 103,786.52 : x
  2. Step 2: Convert to fraction form
    175,403.48/242,038.14 = 103,786.52/x
  3. Step 3: Cross multiply
    175,403.48x = 242,038.14 × 103,786.52
  4. Step 4: Simplify right side
    175,403.48x = 25,120,296,257.87
  5. Step 5: Solve for x
    x = 25,120,296,257.87/175,403.48
  6. Step 6: Final answer
    x = 143,214.36

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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.