Home / 118,365.02-163,342.89-64,650.05

Finding the Fourth Proportional to 118,365.02, 163,342.89 and 64,650.05

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Solution

The fourth proportional to 118,365.02, 163,342.89 and 64,650.05 is: 89,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,365.02 : 163,342.89 = 64,650.05 : x
  2. Step 2: Convert to fraction form
    118,365.02/163,342.89 = 64,650.05/x
  3. Step 3: Cross multiply
    118,365.02x = 163,342.89 × 64,650.05
  4. Step 4: Simplify right side
    118,365.02x = 10,560,125,188.93
  5. Step 5: Solve for x
    x = 10,560,125,188.93/118,365.02
  6. Step 6: Final answer
    x = 89,216.61

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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.