Home / 272,847.41-376,479.46-151,985.69

Finding the Fourth Proportional to 272,847.41, 376,479.46 and 151,985.69

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Solution

The fourth proportional to 272,847.41, 376,479.46 and 151,985.69 is: 209,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,847.41 : 376,479.46 = 151,985.69 : x
  2. Step 2: Convert to fraction form
    272,847.41/376,479.46 = 151,985.69/x
  3. Step 3: Cross multiply
    272,847.41x = 376,479.46 × 151,985.69
  4. Step 4: Simplify right side
    272,847.41x = 57,219,490,498.93
  5. Step 5: Solve for x
    x = 57,219,490,498.93/272,847.41
  6. Step 6: Final answer
    x = 209,712.42

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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.