Home / 131,258.10-196,685.55-97,821.30

Finding the Fourth Proportional to 131,258.10, 196,685.55 and 97,821.30

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Solution

The fourth proportional to 131,258.10, 196,685.55 and 97,821.30 is: 146,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,258.10 : 196,685.55 = 97,821.30 : x
  2. Step 2: Convert to fraction form
    131,258.10/196,685.55 = 97,821.30/x
  3. Step 3: Cross multiply
    131,258.10x = 196,685.55 × 97,821.30
  4. Step 4: Simplify right side
    131,258.10x = 19,240,036,192.22
  5. Step 5: Solve for x
    x = 19,240,036,192.22/131,258.10
  6. Step 6: Final answer
    x = 146,581.71

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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.