Home / 97,475.90-146,203.05-79,915.10

Finding the Fourth Proportional to 97,475.90, 146,203.05 and 79,915.10

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Solution

The fourth proportional to 97,475.90, 146,203.05 and 79,915.10 is: 119,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,475.90 : 146,203.05 = 79,915.10 : x
  2. Step 2: Convert to fraction form
    97,475.90/146,203.05 = 79,915.10/x
  3. Step 3: Cross multiply
    97,475.90x = 146,203.05 × 79,915.10
  4. Step 4: Simplify right side
    97,475.90x = 11,683,831,361.06
  5. Step 5: Solve for x
    x = 11,683,831,361.06/97,475.90
  6. Step 6: Final answer
    x = 119,863.80

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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.