Home / 210,867.98-316,318.18-61,110.32

Finding the Fourth Proportional to 210,867.98, 316,318.18 and 61,110.32

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Solution

The fourth proportional to 210,867.98, 316,318.18 and 61,110.32 is: 91,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,867.98 : 316,318.18 = 61,110.32 : x
  2. Step 2: Convert to fraction form
    210,867.98/316,318.18 = 61,110.32/x
  3. Step 3: Cross multiply
    210,867.98x = 316,318.18 × 61,110.32
  4. Step 4: Simplify right side
    210,867.98x = 19,330,305,201.62
  5. Step 5: Solve for x
    x = 19,330,305,201.62/210,867.98
  6. Step 6: Final answer
    x = 91,670.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.