Home / 154,502.48-231,663.50-65,710.28

Finding the Fourth Proportional to 154,502.48, 231,663.50 and 65,710.28

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Solution

The fourth proportional to 154,502.48, 231,663.50 and 65,710.28 is: 98,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,502.48 : 231,663.50 = 65,710.28 : x
  2. Step 2: Convert to fraction form
    154,502.48/231,663.50 = 65,710.28/x
  3. Step 3: Cross multiply
    154,502.48x = 231,663.50 × 65,710.28
  4. Step 4: Simplify right side
    154,502.48x = 15,222,673,450.78
  5. Step 5: Solve for x
    x = 15,222,673,450.78/154,502.48
  6. Step 6: Final answer
    x = 98,527.05

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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.