Home / 154,693.72-232,115.24-84,571.21

Finding the Fourth Proportional to 154,693.72, 232,115.24 and 84,571.21

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Solution

The fourth proportional to 154,693.72, 232,115.24 and 84,571.21 is: 126,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,693.72 : 232,115.24 = 84,571.21 : x
  2. Step 2: Convert to fraction form
    154,693.72/232,115.24 = 84,571.21/x
  3. Step 3: Cross multiply
    154,693.72x = 232,115.24 × 84,571.21
  4. Step 4: Simplify right side
    154,693.72x = 19,630,266,283.38
  5. Step 5: Solve for x
    x = 19,630,266,283.38/154,693.72
  6. Step 6: Final answer
    x = 126,897.63

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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.