Home / 135,188.13-202,656.69-64,144.16

Finding the Fourth Proportional to 135,188.13, 202,656.69 and 64,144.16

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Solution

The fourth proportional to 135,188.13, 202,656.69 and 64,144.16 is: 96,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,188.13 : 202,656.69 = 64,144.16 : x
  2. Step 2: Convert to fraction form
    135,188.13/202,656.69 = 64,144.16/x
  3. Step 3: Cross multiply
    135,188.13x = 202,656.69 × 64,144.16
  4. Step 4: Simplify right side
    135,188.13x = 12,999,242,135.15
  5. Step 5: Solve for x
    x = 12,999,242,135.15/135,188.13
  6. Step 6: Final answer
    x = 96,156.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.