Home / 172,883.74-238,673.55-119,455.96

Finding the Fourth Proportional to 172,883.74, 238,673.55 and 119,455.96

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Solution

The fourth proportional to 172,883.74, 238,673.55 and 119,455.96 is: 164,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,883.74 : 238,673.55 = 119,455.96 : x
  2. Step 2: Convert to fraction form
    172,883.74/238,673.55 = 119,455.96/x
  3. Step 3: Cross multiply
    172,883.74x = 238,673.55 × 119,455.96
  4. Step 4: Simplify right side
    172,883.74x = 28,510,978,041.86
  5. Step 5: Solve for x
    x = 28,510,978,041.86/172,883.74
  6. Step 6: Final answer
    x = 164,914.17

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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.