Home / 383,836.89-574,984.26-191,130.75

Finding the Fourth Proportional to 383,836.89, 574,984.26 and 191,130.75

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Solution

The fourth proportional to 383,836.89, 574,984.26 and 191,130.75 is: 286,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,836.89 : 574,984.26 = 191,130.75 : x
  2. Step 2: Convert to fraction form
    383,836.89/574,984.26 = 191,130.75/x
  3. Step 3: Cross multiply
    383,836.89x = 574,984.26 × 191,130.75
  4. Step 4: Simplify right side
    383,836.89x = 109,897,171,416.52
  5. Step 5: Solve for x
    x = 109,897,171,416.52/383,836.89
  6. Step 6: Final answer
    x = 286,312.17

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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.