Home / 131,496.10-197,114.55-64,881.70

Finding the Fourth Proportional to 131,496.10, 197,114.55 and 64,881.70

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Solution

The fourth proportional to 131,496.10, 197,114.55 and 64,881.70 is: 97,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496.10 : 197,114.55 = 64,881.70 : x
  2. Step 2: Convert to fraction form
    131,496.10/197,114.55 = 64,881.70/x
  3. Step 3: Cross multiply
    131,496.10x = 197,114.55 × 64,881.70
  4. Step 4: Simplify right side
    131,496.10x = 12,789,127,098.74
  5. Step 5: Solve for x
    x = 12,789,127,098.74/131,496.10
  6. Step 6: Final answer
    x = 97,258.60

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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.