Home / 209,813.06-289,538.13-116,684.51

Finding the Fourth Proportional to 209,813.06, 289,538.13 and 116,684.51

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Solution

The fourth proportional to 209,813.06, 289,538.13 and 116,684.51 is: 161,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,813.06 : 289,538.13 = 116,684.51 : x
  2. Step 2: Convert to fraction form
    209,813.06/289,538.13 = 116,684.51/x
  3. Step 3: Cross multiply
    209,813.06x = 289,538.13 × 116,684.51
  4. Step 4: Simplify right side
    209,813.06x = 33,784,614,032.46
  5. Step 5: Solve for x
    x = 33,784,614,032.46/209,813.06
  6. Step 6: Final answer
    x = 161,022.45

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1.5x scale

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.