Home / 209,795.68-289,521.36-114,302.35

Finding the Fourth Proportional to 209,795.68, 289,521.36 and 114,302.35

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Solution

The fourth proportional to 209,795.68, 289,521.36 and 114,302.35 is: 157,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,795.68 : 289,521.36 = 114,302.35 : x
  2. Step 2: Convert to fraction form
    209,795.68/289,521.36 = 114,302.35/x
  3. Step 3: Cross multiply
    209,795.68x = 289,521.36 × 114,302.35
  4. Step 4: Simplify right side
    209,795.68x = 33,092,969,804.08
  5. Step 5: Solve for x
    x = 33,092,969,804.08/209,795.68
  6. Step 6: Final answer
    x = 157,739.05

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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.