Home / 209,848.13-314,833.49-67,690.26

Finding the Fourth Proportional to 209,848.13, 314,833.49 and 67,690.26

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Solution

The fourth proportional to 209,848.13, 314,833.49 and 67,690.26 is: 101,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,848.13 : 314,833.49 = 67,690.26 : x
  2. Step 2: Convert to fraction form
    209,848.13/314,833.49 = 67,690.26/x
  3. Step 3: Cross multiply
    209,848.13x = 314,833.49 × 67,690.26
  4. Step 4: Simplify right side
    209,848.13x = 21,311,160,794.81
  5. Step 5: Solve for x
    x = 21,311,160,794.81/209,848.13
  6. Step 6: Final answer
    x = 101,555.16

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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.