Home / 205,379.45-283,019.87-157,036.12

Finding the Fourth Proportional to 205,379.45, 283,019.87 and 157,036.12

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Solution

The fourth proportional to 205,379.45, 283,019.87 and 157,036.12 is: 216,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,379.45 : 283,019.87 = 157,036.12 : x
  2. Step 2: Convert to fraction form
    205,379.45/283,019.87 = 157,036.12/x
  3. Step 3: Cross multiply
    205,379.45x = 283,019.87 × 157,036.12
  4. Step 4: Simplify right side
    205,379.45x = 44,444,341,952.75
  5. Step 5: Solve for x
    x = 44,444,341,952.75/205,379.45
  6. Step 6: Final answer
    x = 216,401.12

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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.