Home / 272,682.69-376,317.63-163,820.32

Finding the Fourth Proportional to 272,682.69, 376,317.63 and 163,820.32

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Solution

The fourth proportional to 272,682.69, 376,317.63 and 163,820.32 is: 226,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,682.69 : 376,317.63 = 163,820.32 : x
  2. Step 2: Convert to fraction form
    272,682.69/376,317.63 = 163,820.32/x
  3. Step 3: Cross multiply
    272,682.69x = 376,317.63 × 163,820.32
  4. Step 4: Simplify right side
    272,682.69x = 61,648,474,568.24
  5. Step 5: Solve for x
    x = 61,648,474,568.24/272,682.69
  6. Step 6: Final answer
    x = 226,081.36

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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.