Home / 128,299.37-192,430.82-44,058.15

Finding the Fourth Proportional to 128,299.37, 192,430.82 and 44,058.15

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Solution

The fourth proportional to 128,299.37, 192,430.82 and 44,058.15 is: 66,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,299.37 : 192,430.82 = 44,058.15 : x
  2. Step 2: Convert to fraction form
    128,299.37/192,430.82 = 44,058.15/x
  3. Step 3: Cross multiply
    128,299.37x = 192,430.82 × 44,058.15
  4. Step 4: Simplify right side
    128,299.37x = 8,478,145,711.89
  5. Step 5: Solve for x
    x = 8,478,145,711.89/128,299.37
  6. Step 6: Final answer
    x = 66,080.96

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1.5x scale

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.