Home / 209,011.11-288,523.40-141,119.94

Finding the Fourth Proportional to 209,011.11, 288,523.40 and 141,119.94

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Solution

The fourth proportional to 209,011.11, 288,523.40 and 141,119.94 is: 194,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,011.11 : 288,523.40 = 141,119.94 : x
  2. Step 2: Convert to fraction form
    209,011.11/288,523.40 = 141,119.94/x
  3. Step 3: Cross multiply
    209,011.11x = 288,523.40 × 141,119.94
  4. Step 4: Simplify right side
    209,011.11x = 40,716,404,191.00
  5. Step 5: Solve for x
    x = 40,716,404,191.00/209,011.11
  6. Step 6: Final answer
    x = 194,804.98

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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.