Home / 167,332.32-250,776.96-78,426.60

Finding the Fourth Proportional to 167,332.32, 250,776.96 and 78,426.60

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Solution

The fourth proportional to 167,332.32, 250,776.96 and 78,426.60 is: 117,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,332.32 : 250,776.96 = 78,426.60 : x
  2. Step 2: Convert to fraction form
    167,332.32/250,776.96 = 78,426.60/x
  3. Step 3: Cross multiply
    167,332.32x = 250,776.96 × 78,426.60
  4. Step 4: Simplify right side
    167,332.32x = 19,667,584,331.14
  5. Step 5: Solve for x
    x = 19,667,584,331.14/167,332.32
  6. Step 6: Final answer
    x = 117,536.08

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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.