Home / 272,627.20-376,216.32-153,372.16

Finding the Fourth Proportional to 272,627.20, 376,216.32 and 153,372.16

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Solution

The fourth proportional to 272,627.20, 376,216.32 and 153,372.16 is: 211,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,627.20 : 376,216.32 = 153,372.16 : x
  2. Step 2: Convert to fraction form
    272,627.20/376,216.32 = 153,372.16/x
  3. Step 3: Cross multiply
    272,627.20x = 376,216.32 × 153,372.16
  4. Step 4: Simplify right side
    272,627.20x = 57,701,109,625.65
  5. Step 5: Solve for x
    x = 57,701,109,625.65/272,627.20
  6. Step 6: Final answer
    x = 211,648.40

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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.