Home / 209,529.41-289,156.73-114,042.29

Finding the Fourth Proportional to 209,529.41, 289,156.73 and 114,042.29

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Solution

The fourth proportional to 209,529.41, 289,156.73 and 114,042.29 is: 157,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,529.41 : 289,156.73 = 114,042.29 : x
  2. Step 2: Convert to fraction form
    209,529.41/289,156.73 = 114,042.29/x
  3. Step 3: Cross multiply
    209,529.41x = 289,156.73 × 114,042.29
  4. Step 4: Simplify right side
    209,529.41x = 32,976,093,642.12
  5. Step 5: Solve for x
    x = 32,976,093,642.12/209,529.41
  6. Step 6: Final answer
    x = 157,381.70

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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.