Home / 146,523.70-220,271.55-127,278.10

Finding the Fourth Proportional to 146,523.70, 220,271.55 and 127,278.10

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Solution

The fourth proportional to 146,523.70, 220,271.55 and 127,278.10 is: 191,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,523.70 : 220,271.55 = 127,278.10 : x
  2. Step 2: Convert to fraction form
    146,523.70/220,271.55 = 127,278.10/x
  3. Step 3: Cross multiply
    146,523.70x = 220,271.55 × 127,278.10
  4. Step 4: Simplify right side
    146,523.70x = 28,035,744,368.06
  5. Step 5: Solve for x
    x = 28,035,744,368.06/146,523.70
  6. Step 6: Final answer
    x = 191,339.31

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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.