Home / 115,352.02-159,186.18-64,363.83

Finding the Fourth Proportional to 115,352.02, 159,186.18 and 64,363.83

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Solution

The fourth proportional to 115,352.02, 159,186.18 and 64,363.83 is: 88,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,352.02 : 159,186.18 = 64,363.83 : x
  2. Step 2: Convert to fraction form
    115,352.02/159,186.18 = 64,363.83/x
  3. Step 3: Cross multiply
    115,352.02x = 159,186.18 × 64,363.83
  4. Step 4: Simplify right side
    115,352.02x = 10,245,831,630.92
  5. Step 5: Solve for x
    x = 10,245,831,630.92/115,352.02
  6. Step 6: Final answer
    x = 88,822.30

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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.