Home / 131,316.62-197,036.44-64,720.44

Finding the Fourth Proportional to 131,316.62, 197,036.44 and 64,720.44

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Solution

The fourth proportional to 131,316.62, 197,036.44 and 64,720.44 is: 97,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316.62 : 197,036.44 = 64,720.44 : x
  2. Step 2: Convert to fraction form
    131,316.62/197,036.44 = 64,720.44/x
  3. Step 3: Cross multiply
    131,316.62x = 197,036.44 × 64,720.44
  4. Step 4: Simplify right side
    131,316.62x = 12,752,284,931.03
  5. Step 5: Solve for x
    x = 12,752,284,931.03/131,316.62
  6. Step 6: Final answer
    x = 97,110.98

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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.