Home / 175,605.12-242,319.78-103,022.64

Finding the Fourth Proportional to 175,605.12, 242,319.78 and 103,022.64

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Solution

The fourth proportional to 175,605.12, 242,319.78 and 103,022.64 is: 142,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,605.12 : 242,319.78 = 103,022.64 : x
  2. Step 2: Convert to fraction form
    175,605.12/242,319.78 = 103,022.64/x
  3. Step 3: Cross multiply
    175,605.12x = 242,319.78 × 103,022.64
  4. Step 4: Simplify right side
    175,605.12x = 24,964,423,459.82
  5. Step 5: Solve for x
    x = 24,964,423,459.82/175,605.12
  6. Step 6: Final answer
    x = 142,162.28

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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.