Home / 209,801.67-289,522.65-114,309.06

Finding the Fourth Proportional to 209,801.67, 289,522.65 and 114,309.06

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Solution

The fourth proportional to 209,801.67, 289,522.65 and 114,309.06 is: 157,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,801.67 : 289,522.65 = 114,309.06 : x
  2. Step 2: Convert to fraction form
    209,801.67/289,522.65 = 114,309.06/x
  3. Step 3: Cross multiply
    209,801.67x = 289,522.65 × 114,309.06
  4. Step 4: Simplify right side
    209,801.67x = 33,095,061,970.21
  5. Step 5: Solve for x
    x = 33,095,061,970.21/209,801.67
  6. Step 6: Final answer
    x = 157,744.51

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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.