Home / 209,364.84-288,897.30-141,529.37

Finding the Fourth Proportional to 209,364.84, 288,897.30 and 141,529.37

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Solution

The fourth proportional to 209,364.84, 288,897.30 and 141,529.37 is: 195,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,364.84 : 288,897.30 = 141,529.37 : x
  2. Step 2: Convert to fraction form
    209,364.84/288,897.30 = 141,529.37/x
  3. Step 3: Cross multiply
    209,364.84x = 288,897.30 × 141,529.37
  4. Step 4: Simplify right side
    209,364.84x = 40,887,451,419.21
  5. Step 5: Solve for x
    x = 40,887,451,419.21/209,364.84
  6. Step 6: Final answer
    x = 195,292.83

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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.