Home / 128,541.16-192,809.70-35,046.91

Finding the Fourth Proportional to 128,541.16, 192,809.70 and 35,046.91

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Solution

The fourth proportional to 128,541.16, 192,809.70 and 35,046.91 is: 52,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,541.16 : 192,809.70 = 35,046.91 : x
  2. Step 2: Convert to fraction form
    128,541.16/192,809.70 = 35,046.91/x
  3. Step 3: Cross multiply
    128,541.16x = 192,809.70 × 35,046.91
  4. Step 4: Simplify right side
    128,541.16x = 6,757,384,444.04
  5. Step 5: Solve for x
    x = 6,757,384,444.04/128,541.16
  6. Step 6: Final answer
    x = 52,569.81

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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.