Home / 103,683.20-155,233.20-93,185.60

Finding the Fourth Proportional to 103,683.20, 155,233.20 and 93,185.60

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Solution

The fourth proportional to 103,683.20, 155,233.20 and 93,185.60 is: 139,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.20 : 155,233.20 = 93,185.60 : x
  2. Step 2: Convert to fraction form
    103,683.20/155,233.20 = 93,185.60/x
  3. Step 3: Cross multiply
    103,683.20x = 155,233.20 × 93,185.60
  4. Step 4: Simplify right side
    103,683.20x = 14,465,498,881.92
  5. Step 5: Solve for x
    x = 14,465,498,881.92/103,683.20
  6. Step 6: Final answer
    x = 139,516.32

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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.