Home / 319,940.55-441,480.33-176,692.05

Finding the Fourth Proportional to 319,940.55, 441,480.33 and 176,692.05

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Solution

The fourth proportional to 319,940.55, 441,480.33 and 176,692.05 is: 243,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,940.55 : 441,480.33 = 176,692.05 : x
  2. Step 2: Convert to fraction form
    319,940.55/441,480.33 = 176,692.05/x
  3. Step 3: Cross multiply
    319,940.55x = 441,480.33 × 176,692.05
  4. Step 4: Simplify right side
    319,940.55x = 78,006,064,542.38
  5. Step 5: Solve for x
    x = 78,006,064,542.38/319,940.55
  6. Step 6: Final answer
    x = 243,814.25

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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.