Home / 280,837.13-421,255.69-93,848.63

Finding the Fourth Proportional to 280,837.13, 421,255.69 and 93,848.63

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Solution

The fourth proportional to 280,837.13, 421,255.69 and 93,848.63 is: 140,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,837.13 : 421,255.69 = 93,848.63 : x
  2. Step 2: Convert to fraction form
    280,837.13/421,255.69 = 93,848.63/x
  3. Step 3: Cross multiply
    280,837.13x = 421,255.69 × 93,848.63
  4. Step 4: Simplify right side
    280,837.13x = 39,534,267,045.30
  5. Step 5: Solve for x
    x = 39,534,267,045.30/280,837.13
  6. Step 6: Final answer
    x = 140,772.94

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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.