Home / 103,622.20-155,433.30-95,457.40

Finding the Fourth Proportional to 103,622.20, 155,433.30 and 95,457.40

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Solution

The fourth proportional to 103,622.20, 155,433.30 and 95,457.40 is: 143,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.20 : 155,433.30 = 95,457.40 : x
  2. Step 2: Convert to fraction form
    103,622.20/155,433.30 = 95,457.40/x
  3. Step 3: Cross multiply
    103,622.20x = 155,433.30 × 95,457.40
  4. Step 4: Simplify right side
    103,622.20x = 14,837,258,691.42
  5. Step 5: Solve for x
    x = 14,837,258,691.42/103,622.20
  6. Step 6: Final answer
    x = 143,186.10

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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.