Home / 154,005.70-231,008.55-94,648.90

Finding the Fourth Proportional to 154,005.70, 231,008.55 and 94,648.90

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Solution

The fourth proportional to 154,005.70, 231,008.55 and 94,648.90 is: 141,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,005.70 : 231,008.55 = 94,648.90 : x
  2. Step 2: Convert to fraction form
    154,005.70/231,008.55 = 94,648.90/x
  3. Step 3: Cross multiply
    154,005.70x = 231,008.55 × 94,648.90
  4. Step 4: Simplify right side
    154,005.70x = 21,864,705,148.10
  5. Step 5: Solve for x
    x = 21,864,705,148.10/154,005.70
  6. Step 6: Final answer
    x = 141,973.35

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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.