Home / 109,643.10-164,136.60-97,833.30

Finding the Fourth Proportional to 109,643.10, 164,136.60 and 97,833.30

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Solution

The fourth proportional to 109,643.10, 164,136.60 and 97,833.30 is: 146,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,643.10 : 164,136.60 = 97,833.30 : x
  2. Step 2: Convert to fraction form
    109,643.10/164,136.60 = 97,833.30/x
  3. Step 3: Cross multiply
    109,643.10x = 164,136.60 × 97,833.30
  4. Step 4: Simplify right side
    109,643.10x = 16,058,025,228.78
  5. Step 5: Solve for x
    x = 16,058,025,228.78/109,643.10
  6. Step 6: Final answer
    x = 146,457.23

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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.