Home / 118,347.83-163,319.17-64,632.86

Finding the Fourth Proportional to 118,347.83, 163,319.17 and 64,632.86

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Solution

The fourth proportional to 118,347.83, 163,319.17 and 64,632.86 is: 89,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.83 : 163,319.17 = 64,632.86 : x
  2. Step 2: Convert to fraction form
    118,347.83/163,319.17 = 64,632.86/x
  3. Step 3: Cross multiply
    118,347.83x = 163,319.17 × 64,632.86
  4. Step 4: Simplify right side
    118,347.83x = 10,555,785,049.93
  5. Step 5: Solve for x
    x = 10,555,785,049.93/118,347.83
  6. Step 6: Final answer
    x = 89,192.89

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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.