Home / 383,837.39-574,985.01-191,131.25

Finding the Fourth Proportional to 383,837.39, 574,985.01 and 191,131.25

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Solution

The fourth proportional to 383,837.39, 574,985.01 and 191,131.25 is: 286,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,837.39 : 574,985.01 = 191,131.25 : x
  2. Step 2: Convert to fraction form
    383,837.39/574,985.01 = 191,131.25/x
  3. Step 3: Cross multiply
    383,837.39x = 574,985.01 × 191,131.25
  4. Step 4: Simplify right side
    383,837.39x = 109,897,602,257.09
  5. Step 5: Solve for x
    x = 109,897,602,257.09/383,837.39
  6. Step 6: Final answer
    x = 286,312.92

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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.