Home / 147,617.14-203,653.02-90,930.10

Finding the Fourth Proportional to 147,617.14, 203,653.02 and 90,930.10

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Solution

The fourth proportional to 147,617.14, 203,653.02 and 90,930.10 is: 125,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.14 : 203,653.02 = 90,930.10 : x
  2. Step 2: Convert to fraction form
    147,617.14/203,653.02 = 90,930.10/x
  3. Step 3: Cross multiply
    147,617.14x = 203,653.02 × 90,930.10
  4. Step 4: Simplify right side
    147,617.14x = 18,518,189,473.90
  5. Step 5: Solve for x
    x = 18,518,189,473.90/147,617.14
  6. Step 6: Final answer
    x = 125,447.42

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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.