Home / 130,915.65-196,317.57-49,809.54

Finding the Fourth Proportional to 130,915.65, 196,317.57 and 49,809.54

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Solution

The fourth proportional to 130,915.65, 196,317.57 and 49,809.54 is: 74,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,915.65 : 196,317.57 = 49,809.54 : x
  2. Step 2: Convert to fraction form
    130,915.65/196,317.57 = 49,809.54/x
  3. Step 3: Cross multiply
    130,915.65x = 196,317.57 × 49,809.54
  4. Step 4: Simplify right side
    130,915.65x = 9,778,487,855.62
  5. Step 5: Solve for x
    x = 9,778,487,855.62/130,915.65
  6. Step 6: Final answer
    x = 74,693.04

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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.