Home / 291,966.22-436,839.90-178,144.93

Finding the Fourth Proportional to 291,966.22, 436,839.90 and 178,144.93

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Solution

The fourth proportional to 291,966.22, 436,839.90 and 178,144.93 is: 266,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,966.22 : 436,839.90 = 178,144.93 : x
  2. Step 2: Convert to fraction form
    291,966.22/436,839.90 = 178,144.93/x
  3. Step 3: Cross multiply
    291,966.22x = 436,839.90 × 178,144.93
  4. Step 4: Simplify right side
    291,966.22x = 77,820,813,406.71
  5. Step 5: Solve for x
    x = 77,820,813,406.71/291,966.22
  6. Step 6: Final answer
    x = 266,540.47

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1.5x scale

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.