Home / 246,736.96-370,131.48-78,281.20

Finding the Fourth Proportional to 246,736.96, 370,131.48 and 78,281.20

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Solution

The fourth proportional to 246,736.96, 370,131.48 and 78,281.20 is: 117,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,736.96 : 370,131.48 = 78,281.20 : x
  2. Step 2: Convert to fraction form
    246,736.96/370,131.48 = 78,281.20/x
  3. Step 3: Cross multiply
    246,736.96x = 370,131.48 × 78,281.20
  4. Step 4: Simplify right side
    246,736.96x = 28,974,336,412.18
  5. Step 5: Solve for x
    x = 28,974,336,412.18/246,736.96
  6. Step 6: Final answer
    x = 117,430.06

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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.