Home / 205,016.04-307,561.20-92,749.08

Finding the Fourth Proportional to 205,016.04, 307,561.20 and 92,749.08

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Solution

The fourth proportional to 205,016.04, 307,561.20 and 92,749.08 is: 139,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,016.04 : 307,561.20 = 92,749.08 : x
  2. Step 2: Convert to fraction form
    205,016.04/307,561.20 = 92,749.08/x
  3. Step 3: Cross multiply
    205,016.04x = 307,561.20 × 92,749.08
  4. Step 4: Simplify right side
    205,016.04x = 28,526,018,343.70
  5. Step 5: Solve for x
    x = 28,526,018,343.70/205,016.04
  6. Step 6: Final answer
    x = 139,140.42

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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.