Home / 131,515.42-197,302.36-61,356.46

Finding the Fourth Proportional to 131,515.42, 197,302.36 and 61,356.46

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Solution

The fourth proportional to 131,515.42, 197,302.36 and 61,356.46 is: 92,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,515.42 : 197,302.36 = 61,356.46 : x
  2. Step 2: Convert to fraction form
    131,515.42/197,302.36 = 61,356.46/x
  3. Step 3: Cross multiply
    131,515.42x = 197,302.36 × 61,356.46
  4. Step 4: Simplify right side
    131,515.42x = 12,105,774,359.25
  5. Step 5: Solve for x
    x = 12,105,774,359.25/131,515.42
  6. Step 6: Final answer
    x = 92,048.33

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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.