Home / 205,536.17-308,427.26-72,528.27

Finding the Fourth Proportional to 205,536.17, 308,427.26 and 72,528.27

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Solution

The fourth proportional to 205,536.17, 308,427.26 and 72,528.27 is: 108,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,536.17 : 308,427.26 = 72,528.27 : x
  2. Step 2: Convert to fraction form
    205,536.17/308,427.26 = 72,528.27/x
  3. Step 3: Cross multiply
    205,536.17x = 308,427.26 × 72,528.27
  4. Step 4: Simplify right side
    205,536.17x = 22,369,695,226.00
  5. Step 5: Solve for x
    x = 22,369,695,226.00/205,536.17
  6. Step 6: Final answer
    x = 108,835.81

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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.