Home / 189,197.44-261,094.51-103,155.72

Finding the Fourth Proportional to 189,197.44, 261,094.51 and 103,155.72

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Solution

The fourth proportional to 189,197.44, 261,094.51 and 103,155.72 is: 142,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,197.44 : 261,094.51 = 103,155.72 : x
  2. Step 2: Convert to fraction form
    189,197.44/261,094.51 = 103,155.72/x
  3. Step 3: Cross multiply
    189,197.44x = 261,094.51 × 103,155.72
  4. Step 4: Simplify right side
    189,197.44x = 26,933,391,471.01
  5. Step 5: Solve for x
    x = 26,933,391,471.01/189,197.44
  6. Step 6: Final answer
    x = 142,356.01

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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.