Home / 97,376.40-146,122.20-64,192.40

Finding the Fourth Proportional to 97,376.40, 146,122.20 and 64,192.40

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Solution

The fourth proportional to 97,376.40, 146,122.20 and 64,192.40 is: 96,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,376.40 : 146,122.20 = 64,192.40 : x
  2. Step 2: Convert to fraction form
    97,376.40/146,122.20 = 64,192.40/x
  3. Step 3: Cross multiply
    97,376.40x = 146,122.20 × 64,192.40
  4. Step 4: Simplify right side
    97,376.40x = 9,379,934,711.28
  5. Step 5: Solve for x
    x = 9,379,934,711.28/97,376.40
  6. Step 6: Final answer
    x = 96,326.57

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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.