Home / 320,088.72-441,684.78-176,840.22

Finding the Fourth Proportional to 320,088.72, 441,684.78 and 176,840.22

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Solution

The fourth proportional to 320,088.72, 441,684.78 and 176,840.22 is: 244,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,088.72 : 441,684.78 = 176,840.22 : x
  2. Step 2: Convert to fraction form
    320,088.72/441,684.78 = 176,840.22/x
  3. Step 3: Cross multiply
    320,088.72x = 441,684.78 × 176,840.22
  4. Step 4: Simplify right side
    320,088.72x = 78,107,633,665.85
  5. Step 5: Solve for x
    x = 78,107,633,665.85/320,088.72
  6. Step 6: Final answer
    x = 244,018.70

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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.