Home / 154,153.63-230,669.94-127,249.43

Finding the Fourth Proportional to 154,153.63, 230,669.94 and 127,249.43

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Solution

The fourth proportional to 154,153.63, 230,669.94 and 127,249.43 is: 190,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,153.63 : 230,669.94 = 127,249.43 : x
  2. Step 2: Convert to fraction form
    154,153.63/230,669.94 = 127,249.43/x
  3. Step 3: Cross multiply
    154,153.63x = 230,669.94 × 127,249.43
  4. Step 4: Simplify right side
    154,153.63x = 29,352,619,436.99
  5. Step 5: Solve for x
    x = 29,352,619,436.99/154,153.63
  6. Step 6: Final answer
    x = 190,411.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.