Home / 256,325.20-384,269.69-156,555.38

Finding the Fourth Proportional to 256,325.20, 384,269.69 and 156,555.38

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Solution

The fourth proportional to 256,325.20, 384,269.69 and 156,555.38 is: 234,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,325.20 : 384,269.69 = 156,555.38 : x
  2. Step 2: Convert to fraction form
    256,325.20/384,269.69 = 156,555.38/x
  3. Step 3: Cross multiply
    256,325.20x = 384,269.69 × 156,555.38
  4. Step 4: Simplify right side
    256,325.20x = 60,159,488,692.49
  5. Step 5: Solve for x
    x = 60,159,488,692.49/256,325.20
  6. Step 6: Final answer
    x = 234,699.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.