Home / 137,585.24-205,436.29-123,261.40

Finding the Fourth Proportional to 137,585.24, 205,436.29 and 123,261.40

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Solution

The fourth proportional to 137,585.24, 205,436.29 and 123,261.40 is: 184,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,585.24 : 205,436.29 = 123,261.40 : x
  2. Step 2: Convert to fraction form
    137,585.24/205,436.29 = 123,261.40/x
  3. Step 3: Cross multiply
    137,585.24x = 205,436.29 × 123,261.40
  4. Step 4: Simplify right side
    137,585.24x = 25,322,364,716.21
  5. Step 5: Solve for x
    x = 25,322,364,716.21/137,585.24
  6. Step 6: Final answer
    x = 184,048.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.