Home / 128,541.02-192,809.46-35,046.77

Finding the Fourth Proportional to 128,541.02, 192,809.46 and 35,046.77

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Solution

The fourth proportional to 128,541.02, 192,809.46 and 35,046.77 is: 52,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,541.02 : 192,809.46 = 35,046.77 : x
  2. Step 2: Convert to fraction form
    128,541.02/192,809.46 = 35,046.77/x
  3. Step 3: Cross multiply
    128,541.02x = 192,809.46 × 35,046.77
  4. Step 4: Simplify right side
    128,541.02x = 6,757,348,798.44
  5. Step 5: Solve for x
    x = 6,757,348,798.44/128,541.02
  6. Step 6: Final answer
    x = 52,569.59

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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.