Home / 189,281.25-261,143.51-107,601.26

Finding the Fourth Proportional to 189,281.25, 261,143.51 and 107,601.26

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Solution

The fourth proportional to 189,281.25, 261,143.51 and 107,601.26 is: 148,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,281.25 : 261,143.51 = 107,601.26 : x
  2. Step 2: Convert to fraction form
    189,281.25/261,143.51 = 107,601.26/x
  3. Step 3: Cross multiply
    189,281.25x = 261,143.51 × 107,601.26
  4. Step 4: Simplify right side
    189,281.25x = 28,099,368,873.10
  5. Step 5: Solve for x
    x = 28,099,368,873.10/189,281.25
  6. Step 6: Final answer
    x = 148,453.00

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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.