Home / 131,451.15-197,097.90-60,284.64

Finding the Fourth Proportional to 131,451.15, 197,097.90 and 60,284.64

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Solution

The fourth proportional to 131,451.15, 197,097.90 and 60,284.64 is: 90,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451.15 : 197,097.90 = 60,284.64 : x
  2. Step 2: Convert to fraction form
    131,451.15/197,097.90 = 60,284.64/x
  3. Step 3: Cross multiply
    131,451.15x = 197,097.90 × 60,284.64
  4. Step 4: Simplify right side
    131,451.15x = 11,881,975,946.26
  5. Step 5: Solve for x
    x = 11,881,975,946.26/131,451.15
  6. Step 6: Final answer
    x = 90,390.81

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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.