Home / 154,783.72-232,198.65-54,935.55

Finding the Fourth Proportional to 154,783.72, 232,198.65 and 54,935.55

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Solution

The fourth proportional to 154,783.72, 232,198.65 and 54,935.55 is: 82,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,783.72 : 232,198.65 = 54,935.55 : x
  2. Step 2: Convert to fraction form
    154,783.72/232,198.65 = 54,935.55/x
  3. Step 3: Cross multiply
    154,783.72x = 232,198.65 × 54,935.55
  4. Step 4: Simplify right side
    154,783.72x = 12,755,960,547.01
  5. Step 5: Solve for x
    x = 12,755,960,547.01/154,783.72
  6. Step 6: Final answer
    x = 82,411.51

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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.