Home / 320,155.34-441,814.53-176,915.38

Finding the Fourth Proportional to 320,155.34, 441,814.53 and 176,915.38

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Solution

The fourth proportional to 320,155.34, 441,814.53 and 176,915.38 is: 244,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,155.34 : 441,814.53 = 176,915.38 : x
  2. Step 2: Convert to fraction form
    320,155.34/441,814.53 = 176,915.38/x
  3. Step 3: Cross multiply
    320,155.34x = 441,814.53 × 176,915.38
  4. Step 4: Simplify right side
    320,155.34x = 78,163,785,464.47
  5. Step 5: Solve for x
    x = 78,163,785,464.47/320,155.34
  6. Step 6: Final answer
    x = 244,143.31

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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.