Home / 320,177.72-441,807.66-176,929.22

Finding the Fourth Proportional to 320,177.72, 441,807.66 and 176,929.22

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Solution

The fourth proportional to 320,177.72, 441,807.66 and 176,929.22 is: 244,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,177.72 : 441,807.66 = 176,929.22 : x
  2. Step 2: Convert to fraction form
    320,177.72/441,807.66 = 176,929.22/x
  3. Step 3: Cross multiply
    320,177.72x = 441,807.66 × 176,929.22
  4. Step 4: Simplify right side
    320,177.72x = 78,168,684,673.83
  5. Step 5: Solve for x
    x = 78,168,684,673.83/320,177.72
  6. Step 6: Final answer
    x = 244,141.55

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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.