Home / 209,806.51-289,532.98-114,313.21

Finding the Fourth Proportional to 209,806.51, 289,532.98 and 114,313.21

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Solution

The fourth proportional to 209,806.51, 289,532.98 and 114,313.21 is: 157,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,806.51 : 289,532.98 = 114,313.21 : x
  2. Step 2: Convert to fraction form
    209,806.51/289,532.98 = 114,313.21/x
  3. Step 3: Cross multiply
    209,806.51x = 289,532.98 × 114,313.21
  4. Step 4: Simplify right side
    209,806.51x = 33,097,442,897.00
  5. Step 5: Solve for x
    x = 33,097,442,897.00/209,806.51
  6. Step 6: Final answer
    x = 157,752.22

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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.