Home / 434,018.22-651,022.47-153,469.86

Finding the Fourth Proportional to 434,018.22, 651,022.47 and 153,469.86

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Solution

The fourth proportional to 434,018.22, 651,022.47 and 153,469.86 is: 230,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,018.22 : 651,022.47 = 153,469.86 : x
  2. Step 2: Convert to fraction form
    434,018.22/651,022.47 = 153,469.86/x
  3. Step 3: Cross multiply
    434,018.22x = 651,022.47 × 153,469.86
  4. Step 4: Simplify right side
    434,018.22x = 99,912,326,560.40
  5. Step 5: Solve for x
    x = 99,912,326,560.40/434,018.22
  6. Step 6: Final answer
    x = 230,203.07

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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.