Home / 131,588.20-197,252.70-65,038.60

Finding the Fourth Proportional to 131,588.20, 197,252.70 and 65,038.60

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Solution

The fourth proportional to 131,588.20, 197,252.70 and 65,038.60 is: 97,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,588.20 : 197,252.70 = 65,038.60 : x
  2. Step 2: Convert to fraction form
    131,588.20/197,252.70 = 65,038.60/x
  3. Step 3: Cross multiply
    131,588.20x = 197,252.70 × 65,038.60
  4. Step 4: Simplify right side
    131,588.20x = 12,829,039,454.22
  5. Step 5: Solve for x
    x = 12,829,039,454.22/131,588.20
  6. Step 6: Final answer
    x = 97,493.84

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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.