Home / 269,069.10-403,603.65-256,166.70

Finding the Fourth Proportional to 269,069.10, 403,603.65 and 256,166.70

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Solution

The fourth proportional to 269,069.10, 403,603.65 and 256,166.70 is: 384,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,069.10 : 403,603.65 = 256,166.70 : x
  2. Step 2: Convert to fraction form
    269,069.10/403,603.65 = 256,166.70/x
  3. Step 3: Cross multiply
    269,069.10x = 403,603.65 × 256,166.70
  4. Step 4: Simplify right side
    269,069.10x = 103,389,815,128.46
  5. Step 5: Solve for x
    x = 103,389,815,128.46/269,069.10
  6. Step 6: Final answer
    x = 384,250.05

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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.