Home / 131,463.90-197,379.47-67,466.81

Finding the Fourth Proportional to 131,463.90, 197,379.47 and 67,466.81

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Solution

The fourth proportional to 131,463.90, 197,379.47 and 67,466.81 is: 101,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,463.90 : 197,379.47 = 67,466.81 : x
  2. Step 2: Convert to fraction form
    131,463.90/197,379.47 = 67,466.81/x
  3. Step 3: Cross multiply
    131,463.90x = 197,379.47 × 67,466.81
  4. Step 4: Simplify right side
    131,463.90x = 13,316,563,200.39
  5. Step 5: Solve for x
    x = 13,316,563,200.39/131,463.90
  6. Step 6: Final answer
    x = 101,294.45

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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.