Home / 131,962.02-197,943.07-47,720.30

Finding the Fourth Proportional to 131,962.02, 197,943.07 and 47,720.30

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Solution

The fourth proportional to 131,962.02, 197,943.07 and 47,720.30 is: 71,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,962.02 : 197,943.07 = 47,720.30 : x
  2. Step 2: Convert to fraction form
    131,962.02/197,943.07 = 47,720.30/x
  3. Step 3: Cross multiply
    131,962.02x = 197,943.07 × 47,720.30
  4. Step 4: Simplify right side
    131,962.02x = 9,445,902,777.21
  5. Step 5: Solve for x
    x = 9,445,902,777.21/131,962.02
  6. Step 6: Final answer
    x = 71,580.46

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Similar ratio
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1.5x scale

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.