Home / 354,050.46-531,538.66-210,218.81

Finding the Fourth Proportional to 354,050.46, 531,538.66 and 210,218.81

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Solution

The fourth proportional to 354,050.46, 531,538.66 and 210,218.81 is: 315,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,050.46 : 531,538.66 = 210,218.81 : x
  2. Step 2: Convert to fraction form
    354,050.46/531,538.66 = 210,218.81/x
  3. Step 3: Cross multiply
    354,050.46x = 531,538.66 × 210,218.81
  4. Step 4: Simplify right side
    354,050.46x = 111,739,425,377.49
  5. Step 5: Solve for x
    x = 111,739,425,377.49/354,050.46
  6. Step 6: Final answer
    x = 315,603.11

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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.