Home / 128,416.16-192,576.34-44,152.48

Finding the Fourth Proportional to 128,416.16, 192,576.34 and 44,152.48

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Solution

The fourth proportional to 128,416.16, 192,576.34 and 44,152.48 is: 66,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,416.16 : 192,576.34 = 44,152.48 : x
  2. Step 2: Convert to fraction form
    128,416.16/192,576.34 = 44,152.48/x
  3. Step 3: Cross multiply
    128,416.16x = 192,576.34 × 44,152.48
  4. Step 4: Simplify right side
    128,416.16x = 8,502,723,000.32
  5. Step 5: Solve for x
    x = 8,502,723,000.32/128,416.16
  6. Step 6: Final answer
    x = 66,212.25

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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.