Home / 103,626.10-155,447.93-28,746.24

Finding the Fourth Proportional to 103,626.10, 155,447.93 and 28,746.24

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Solution

The fourth proportional to 103,626.10, 155,447.93 and 28,746.24 is: 43,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.10 : 155,447.93 = 28,746.24 : x
  2. Step 2: Convert to fraction form
    103,626.10/155,447.93 = 28,746.24/x
  3. Step 3: Cross multiply
    103,626.10x = 155,447.93 × 28,746.24
  4. Step 4: Simplify right side
    103,626.10x = 4,468,543,503.28
  5. Step 5: Solve for x
    x = 4,468,543,503.28/103,626.10
  6. Step 6: Final answer
    x = 43,121.80

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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.