Home / 103,465.13-155,196.14-28,583.60

Finding the Fourth Proportional to 103,465.13, 155,196.14 and 28,583.60

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Solution

The fourth proportional to 103,465.13, 155,196.14 and 28,583.60 is: 42,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,465.13 : 155,196.14 = 28,583.60 : x
  2. Step 2: Convert to fraction form
    103,465.13/155,196.14 = 28,583.60/x
  3. Step 3: Cross multiply
    103,465.13x = 155,196.14 × 28,583.60
  4. Step 4: Simplify right side
    103,465.13x = 4,436,063,468.41
  5. Step 5: Solve for x
    x = 4,436,063,468.41/103,465.13
  6. Step 6: Final answer
    x = 42,874.96

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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.