Home / 294,178.14-406,051.52-192,219.12

Finding the Fourth Proportional to 294,178.14, 406,051.52 and 192,219.12

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Solution

The fourth proportional to 294,178.14, 406,051.52 and 192,219.12 is: 265,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,178.14 : 406,051.52 = 192,219.12 : x
  2. Step 2: Convert to fraction form
    294,178.14/406,051.52 = 192,219.12/x
  3. Step 3: Cross multiply
    294,178.14x = 406,051.52 × 192,219.12
  4. Step 4: Simplify right side
    294,178.14x = 78,050,864,887.97
  5. Step 5: Solve for x
    x = 78,050,864,887.97/294,178.14
  6. Step 6: Final answer
    x = 265,318.37

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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.