Home / 179,109.83-268,448.45-79,156.64

Finding the Fourth Proportional to 179,109.83, 268,448.45 and 79,156.64

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Solution

The fourth proportional to 179,109.83, 268,448.45 and 79,156.64 is: 118,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,109.83 : 268,448.45 = 79,156.64 : x
  2. Step 2: Convert to fraction form
    179,109.83/268,448.45 = 79,156.64/x
  3. Step 3: Cross multiply
    179,109.83x = 268,448.45 × 79,156.64
  4. Step 4: Simplify right side
    179,109.83x = 21,249,475,577.18
  5. Step 5: Solve for x
    x = 21,249,475,577.18/179,109.83
  6. Step 6: Final answer
    x = 118,639.36

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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.