Home / 118,375.02-163,351.28-64,659.26

Finding the Fourth Proportional to 118,375.02, 163,351.28 and 64,659.26

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Solution

The fourth proportional to 118,375.02, 163,351.28 and 64,659.26 is: 89,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.02 : 163,351.28 = 64,659.26 : x
  2. Step 2: Convert to fraction form
    118,375.02/163,351.28 = 64,659.26/x
  3. Step 3: Cross multiply
    118,375.02x = 163,351.28 × 64,659.26
  4. Step 4: Simplify right side
    118,375.02x = 10,562,173,454.88
  5. Step 5: Solve for x
    x = 10,562,173,454.88/118,375.02
  6. Step 6: Final answer
    x = 89,226.37

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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.