Home / 118,370.86-163,350.82-64,655.92

Finding the Fourth Proportional to 118,370.86, 163,350.82 and 64,655.92

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Solution

The fourth proportional to 118,370.86, 163,350.82 and 64,655.92 is: 89,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,370.86 : 163,350.82 = 64,655.92 : x
  2. Step 2: Convert to fraction form
    118,370.86/163,350.82 = 64,655.92/x
  3. Step 3: Cross multiply
    118,370.86x = 163,350.82 × 64,655.92
  4. Step 4: Simplify right side
    118,370.86x = 10,561,597,549.85
  5. Step 5: Solve for x
    x = 10,561,597,549.85/118,370.86
  6. Step 6: Final answer
    x = 89,224.64

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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.