Home / 291,942.61-402,890.81-169,425.56

Finding the Fourth Proportional to 291,942.61, 402,890.81 and 169,425.56

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Solution

The fourth proportional to 291,942.61, 402,890.81 and 169,425.56 is: 233,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,942.61 : 402,890.81 = 169,425.56 : x
  2. Step 2: Convert to fraction form
    291,942.61/402,890.81 = 169,425.56/x
  3. Step 3: Cross multiply
    291,942.61x = 402,890.81 × 169,425.56
  4. Step 4: Simplify right side
    291,942.61x = 68,259,999,949.96
  5. Step 5: Solve for x
    x = 68,259,999,949.96/291,942.61
  6. Step 6: Final answer
    x = 233,813.07

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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.