Home / 104,417.40-156,626.10-75,111.60

Finding the Fourth Proportional to 104,417.40, 156,626.10 and 75,111.60

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Solution

The fourth proportional to 104,417.40, 156,626.10 and 75,111.60 is: 112,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,417.40 : 156,626.10 = 75,111.60 : x
  2. Step 2: Convert to fraction form
    104,417.40/156,626.10 = 75,111.60/x
  3. Step 3: Cross multiply
    104,417.40x = 156,626.10 × 75,111.60
  4. Step 4: Simplify right side
    104,417.40x = 11,764,436,972.76
  5. Step 5: Solve for x
    x = 11,764,436,972.76/104,417.40
  6. Step 6: Final answer
    x = 112,667.40

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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.