Home / 209,828.33-314,835.54-109,964.81

Finding the Fourth Proportional to 209,828.33, 314,835.54 and 109,964.81

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Solution

The fourth proportional to 209,828.33, 314,835.54 and 109,964.81 is: 164,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.33 : 314,835.54 = 109,964.81 : x
  2. Step 2: Convert to fraction form
    209,828.33/314,835.54 = 109,964.81/x
  3. Step 3: Cross multiply
    209,828.33x = 314,835.54 × 109,964.81
  4. Step 4: Simplify right side
    209,828.33x = 34,620,830,337.35
  5. Step 5: Solve for x
    x = 34,620,830,337.35/209,828.33
  6. Step 6: Final answer
    x = 164,995.98

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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.