Home / 272,590.85-376,175.34-151,729.53

Finding the Fourth Proportional to 272,590.85, 376,175.34 and 151,729.53

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Solution

The fourth proportional to 272,590.85, 376,175.34 and 151,729.53 is: 209,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,590.85 : 376,175.34 = 151,729.53 : x
  2. Step 2: Convert to fraction form
    272,590.85/376,175.34 = 151,729.53/x
  3. Step 3: Cross multiply
    272,590.85x = 376,175.34 × 151,729.53
  4. Step 4: Simplify right side
    272,590.85x = 57,076,907,535.79
  5. Step 5: Solve for x
    x = 57,076,907,535.79/272,590.85
  6. Step 6: Final answer
    x = 209,386.74

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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.