Home / 356,621.80-534,932.70-159,629.80

Finding the Fourth Proportional to 356,621.80, 534,932.70 and 159,629.80

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Solution

The fourth proportional to 356,621.80, 534,932.70 and 159,629.80 is: 239,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,621.80 : 534,932.70 = 159,629.80 : x
  2. Step 2: Convert to fraction form
    356,621.80/534,932.70 = 159,629.80/x
  3. Step 3: Cross multiply
    356,621.80x = 534,932.70 × 159,629.80
  4. Step 4: Simplify right side
    356,621.80x = 85,391,199,914.46
  5. Step 5: Solve for x
    x = 85,391,199,914.46/356,621.80
  6. Step 6: Final answer
    x = 239,444.70

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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.