Home / 118,159.36-176,822.70-73,807

Finding the Fourth Proportional to 118,159.36, 176,822.70 and 73,807

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Solution

The fourth proportional to 118,159.36, 176,822.70 and 73,807 is: 110,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,159.36 : 176,822.70 = 73,807 : x
  2. Step 2: Convert to fraction form
    118,159.36/176,822.70 = 73,807/x
  3. Step 3: Cross multiply
    118,159.36x = 176,822.70 × 73,807
  4. Step 4: Simplify right side
    118,159.36x = 13,050,753,018.90
  5. Step 5: Solve for x
    x = 13,050,753,018.90/118,159.36
  6. Step 6: Final answer
    x = 110,450.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.