Home / 357,045.23-492,722.37-204,086.69

Finding the Fourth Proportional to 357,045.23, 492,722.37 and 204,086.69

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Solution

The fourth proportional to 357,045.23, 492,722.37 and 204,086.69 is: 281,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,045.23 : 492,722.37 = 204,086.69 : x
  2. Step 2: Convert to fraction form
    357,045.23/492,722.37 = 204,086.69/x
  3. Step 3: Cross multiply
    357,045.23x = 492,722.37 × 204,086.69
  4. Step 4: Simplify right side
    357,045.23x = 100,558,075,118.64
  5. Step 5: Solve for x
    x = 100,558,075,118.64/357,045.23
  6. Step 6: Final answer
    x = 281,639.60

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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.