Home / 131,316.24-197,035.88-64,720.07

Finding the Fourth Proportional to 131,316.24, 197,035.88 and 64,720.07

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Solution

The fourth proportional to 131,316.24, 197,035.88 and 64,720.07 is: 97,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316.24 : 197,035.88 = 64,720.07 : x
  2. Step 2: Convert to fraction form
    131,316.24/197,035.88 = 64,720.07/x
  3. Step 3: Cross multiply
    131,316.24x = 197,035.88 × 64,720.07
  4. Step 4: Simplify right side
    131,316.24x = 12,752,174,637.33
  5. Step 5: Solve for x
    x = 12,752,174,637.33/131,316.24
  6. Step 6: Final answer
    x = 97,110.42

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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.