Home / 171,415.32-236,474.64-111,005.42

Finding the Fourth Proportional to 171,415.32, 236,474.64 and 111,005.42

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Solution

The fourth proportional to 171,415.32, 236,474.64 and 111,005.42 is: 153,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,415.32 : 236,474.64 = 111,005.42 : x
  2. Step 2: Convert to fraction form
    171,415.32/236,474.64 = 111,005.42/x
  3. Step 3: Cross multiply
    171,415.32x = 236,474.64 × 111,005.42
  4. Step 4: Simplify right side
    171,415.32x = 26,249,965,550.18
  5. Step 5: Solve for x
    x = 26,249,965,550.18/171,415.32
  6. Step 6: Final answer
    x = 153,136.64

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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.