Home / 320,128.12-441,764.94-176,885.20

Finding the Fourth Proportional to 320,128.12, 441,764.94 and 176,885.20

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Solution

The fourth proportional to 320,128.12, 441,764.94 and 176,885.20 is: 244,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,128.12 : 441,764.94 = 176,885.20 : x
  2. Step 2: Convert to fraction form
    320,128.12/441,764.94 = 176,885.20/x
  3. Step 3: Cross multiply
    320,128.12x = 441,764.94 × 176,885.20
  4. Step 4: Simplify right side
    320,128.12x = 78,141,679,764.89
  5. Step 5: Solve for x
    x = 78,141,679,764.89/320,128.12
  6. Step 6: Final answer
    x = 244,095.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.