Home / 147,616.14-203,651.64-90,929.10

Finding the Fourth Proportional to 147,616.14, 203,651.64 and 90,929.10

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Solution

The fourth proportional to 147,616.14, 203,651.64 and 90,929.10 is: 125,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,616.14 : 203,651.64 = 90,929.10 : x
  2. Step 2: Convert to fraction form
    147,616.14/203,651.64 = 90,929.10/x
  3. Step 3: Cross multiply
    147,616.14x = 203,651.64 × 90,929.10
  4. Step 4: Simplify right side
    147,616.14x = 18,517,860,338.72
  5. Step 5: Solve for x
    x = 18,517,860,338.72/147,616.14
  6. Step 6: Final answer
    x = 125,446.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.