Home / 280,941.24-421,412.30-114,729.24

Finding the Fourth Proportional to 280,941.24, 421,412.30 and 114,729.24

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Solution

The fourth proportional to 280,941.24, 421,412.30 and 114,729.24 is: 172,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,941.24 : 421,412.30 = 114,729.24 : x
  2. Step 2: Convert to fraction form
    280,941.24/421,412.30 = 114,729.24/x
  3. Step 3: Cross multiply
    280,941.24x = 421,412.30 × 114,729.24
  4. Step 4: Simplify right side
    280,941.24x = 48,348,312,905.65
  5. Step 5: Solve for x
    x = 48,348,312,905.65/280,941.24
  6. Step 6: Final answer
    x = 172,094.04

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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.