Home / 103,465.02-155,195.99-28,583.51

Finding the Fourth Proportional to 103,465.02, 155,195.99 and 28,583.51

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Solution

The fourth proportional to 103,465.02, 155,195.99 and 28,583.51 is: 42,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,465.02 : 155,195.99 = 28,583.51 : x
  2. Step 2: Convert to fraction form
    103,465.02/155,195.99 = 28,583.51/x
  3. Step 3: Cross multiply
    103,465.02x = 155,195.99 × 28,583.51
  4. Step 4: Simplify right side
    103,465.02x = 4,436,046,132.12
  5. Step 5: Solve for x
    x = 4,436,046,132.12/103,465.02
  6. Step 6: Final answer
    x = 42,874.84

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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.