Home / 107,916.20-161,874.30-101,004.20

Finding the Fourth Proportional to 107,916.20, 161,874.30 and 101,004.20

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Solution

The fourth proportional to 107,916.20, 161,874.30 and 101,004.20 is: 151,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,916.20 : 161,874.30 = 101,004.20 : x
  2. Step 2: Convert to fraction form
    107,916.20/161,874.30 = 101,004.20/x
  3. Step 3: Cross multiply
    107,916.20x = 161,874.30 × 101,004.20
  4. Step 4: Simplify right side
    107,916.20x = 16,349,984,172.06
  5. Step 5: Solve for x
    x = 16,349,984,172.06/107,916.20
  6. Step 6: Final answer
    x = 151,506.30

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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.