Home / 291,822.75-437,734.26-70,206.75

Finding the Fourth Proportional to 291,822.75, 437,734.26 and 70,206.75

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Solution

The fourth proportional to 291,822.75, 437,734.26 and 70,206.75 is: 105,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,822.75 : 437,734.26 = 70,206.75 : x
  2. Step 2: Convert to fraction form
    291,822.75/437,734.26 = 70,206.75/x
  3. Step 3: Cross multiply
    291,822.75x = 437,734.26 × 70,206.75
  4. Step 4: Simplify right side
    291,822.75x = 30,731,899,758.26
  5. Step 5: Solve for x
    x = 30,731,899,758.26/291,822.75
  6. Step 6: Final answer
    x = 105,310.16

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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.