Home / 118,188.08-163,100.09-64,472.93

Finding the Fourth Proportional to 118,188.08, 163,100.09 and 64,472.93

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Solution

The fourth proportional to 118,188.08, 163,100.09 and 64,472.93 is: 88,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,188.08 : 163,100.09 = 64,472.93 : x
  2. Step 2: Convert to fraction form
    118,188.08/163,100.09 = 64,472.93/x
  3. Step 3: Cross multiply
    118,188.08x = 163,100.09 × 64,472.93
  4. Step 4: Simplify right side
    118,188.08x = 10,515,540,363.20
  5. Step 5: Solve for x
    x = 10,515,540,363.20/118,188.08
  6. Step 6: Final answer
    x = 88,972.94

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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.