Home / 189,517.52-261,534.74-103,477.25

Finding the Fourth Proportional to 189,517.52, 261,534.74 and 103,477.25

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Solution

The fourth proportional to 189,517.52, 261,534.74 and 103,477.25 is: 142,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,517.52 : 261,534.74 = 103,477.25 : x
  2. Step 2: Convert to fraction form
    189,517.52/261,534.74 = 103,477.25/x
  3. Step 3: Cross multiply
    189,517.52x = 261,534.74 × 103,477.25
  4. Step 4: Simplify right side
    189,517.52x = 27,062,894,339.98
  5. Step 5: Solve for x
    x = 27,062,894,339.98/189,517.52
  6. Step 6: Final answer
    x = 142,798.90

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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.