Home / 280,837.94-421,256.91-93,849.44

Finding the Fourth Proportional to 280,837.94, 421,256.91 and 93,849.44

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Solution

The fourth proportional to 280,837.94, 421,256.91 and 93,849.44 is: 140,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,837.94 : 421,256.91 = 93,849.44 : x
  2. Step 2: Convert to fraction form
    280,837.94/421,256.91 = 93,849.44/x
  3. Step 3: Cross multiply
    280,837.94x = 421,256.91 × 93,849.44
  4. Step 4: Simplify right side
    280,837.94x = 39,534,723,811.86
  5. Step 5: Solve for x
    x = 39,534,723,811.86/280,837.94
  6. Step 6: Final answer
    x = 140,774.16

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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.