Home / 209,741.13-289,448.37-114,254.01

Finding the Fourth Proportional to 209,741.13, 289,448.37 and 114,254.01

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Solution

The fourth proportional to 209,741.13, 289,448.37 and 114,254.01 is: 157,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,741.13 : 289,448.37 = 114,254.01 : x
  2. Step 2: Convert to fraction form
    209,741.13/289,448.37 = 114,254.01/x
  3. Step 3: Cross multiply
    209,741.13x = 289,448.37 × 114,254.01
  4. Step 4: Simplify right side
    209,741.13x = 33,070,636,960.46
  5. Step 5: Solve for x
    x = 33,070,636,960.46/209,741.13
  6. Step 6: Final answer
    x = 157,673.59

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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.