Home / 154,738.40-232,173.23-84,535.70

Finding the Fourth Proportional to 154,738.40, 232,173.23 and 84,535.70

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Solution

The fourth proportional to 154,738.40, 232,173.23 and 84,535.70 is: 126,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,738.40 : 232,173.23 = 84,535.70 : x
  2. Step 2: Convert to fraction form
    154,738.40/232,173.23 = 84,535.70/x
  3. Step 3: Cross multiply
    154,738.40x = 232,173.23 × 84,535.70
  4. Step 4: Simplify right side
    154,738.40x = 19,626,924,935.77
  5. Step 5: Solve for x
    x = 19,626,924,935.77/154,738.40
  6. Step 6: Final answer
    x = 126,839.40

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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.