Home / 131,747.08-197,479.02-56,902.60

Finding the Fourth Proportional to 131,747.08, 197,479.02 and 56,902.60

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Solution

The fourth proportional to 131,747.08, 197,479.02 and 56,902.60 is: 85,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,747.08 : 197,479.02 = 56,902.60 : x
  2. Step 2: Convert to fraction form
    131,747.08/197,479.02 = 56,902.60/x
  3. Step 3: Cross multiply
    131,747.08x = 197,479.02 × 56,902.60
  4. Step 4: Simplify right side
    131,747.08x = 11,237,069,683.45
  5. Step 5: Solve for x
    x = 11,237,069,683.45/131,747.08
  6. Step 6: Final answer
    x = 85,292.74

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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.