Home / 272,645.34-376,257-151,794.75

Finding the Fourth Proportional to 272,645.34, 376,257 and 151,794.75

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Solution

The fourth proportional to 272,645.34, 376,257 and 151,794.75 is: 209,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,645.34 : 376,257 = 151,794.75 : x
  2. Step 2: Convert to fraction form
    272,645.34/376,257 = 151,794.75/x
  3. Step 3: Cross multiply
    272,645.34x = 376,257 × 151,794.75
  4. Step 4: Simplify right side
    272,645.34x = 57,113,837,250.75
  5. Step 5: Solve for x
    x = 57,113,837,250.75/272,645.34
  6. Step 6: Final answer
    x = 209,480.34

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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.