Home / 272,912.72-376,647.12-152,073.68

Finding the Fourth Proportional to 272,912.72, 376,647.12 and 152,073.68

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Solution

The fourth proportional to 272,912.72, 376,647.12 and 152,073.68 is: 209,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,912.72 : 376,647.12 = 152,073.68 : x
  2. Step 2: Convert to fraction form
    272,912.72/376,647.12 = 152,073.68/x
  3. Step 3: Cross multiply
    272,912.72x = 376,647.12 × 152,073.68
  4. Step 4: Simplify right side
    272,912.72x = 57,278,113,599.80
  5. Step 5: Solve for x
    x = 57,278,113,599.80/272,912.72
  6. Step 6: Final answer
    x = 209,877.04

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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.