Home / 305,961.30-458,763.75-118,754.10

Finding the Fourth Proportional to 305,961.30, 458,763.75 and 118,754.10

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Solution

The fourth proportional to 305,961.30, 458,763.75 and 118,754.10 is: 178,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,961.30 : 458,763.75 = 118,754.10 : x
  2. Step 2: Convert to fraction form
    305,961.30/458,763.75 = 118,754.10/x
  3. Step 3: Cross multiply
    305,961.30x = 458,763.75 × 118,754.10
  4. Step 4: Simplify right side
    305,961.30x = 54,480,076,243.88
  5. Step 5: Solve for x
    x = 54,480,076,243.88/305,961.30
  6. Step 6: Final answer
    x = 178,061.98

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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.