Home / 282,002.75-389,250.93-181,400.75

Finding the Fourth Proportional to 282,002.75, 389,250.93 and 181,400.75

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Solution

The fourth proportional to 282,002.75, 389,250.93 and 181,400.75 is: 250,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,002.75 : 389,250.93 = 181,400.75 : x
  2. Step 2: Convert to fraction form
    282,002.75/389,250.93 = 181,400.75/x
  3. Step 3: Cross multiply
    282,002.75x = 389,250.93 × 181,400.75
  4. Step 4: Simplify right side
    282,002.75x = 70,610,410,833.89
  5. Step 5: Solve for x
    x = 70,610,410,833.89/282,002.75
  6. Step 6: Final answer
    x = 250,389.09

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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.