Home / 258,037.93-356,080.23-143,324.01

Finding the Fourth Proportional to 258,037.93, 356,080.23 and 143,324.01

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Solution

The fourth proportional to 258,037.93, 356,080.23 and 143,324.01 is: 197,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,037.93 : 356,080.23 = 143,324.01 : x
  2. Step 2: Convert to fraction form
    258,037.93/356,080.23 = 143,324.01/x
  3. Step 3: Cross multiply
    258,037.93x = 356,080.23 × 143,324.01
  4. Step 4: Simplify right side
    258,037.93x = 51,034,846,445.32
  5. Step 5: Solve for x
    x = 51,034,846,445.32/258,037.93
  6. Step 6: Final answer
    x = 197,780.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.