Home / 209,063.22-288,595.56-141,172.14

Finding the Fourth Proportional to 209,063.22, 288,595.56 and 141,172.14

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Solution

The fourth proportional to 209,063.22, 288,595.56 and 141,172.14 is: 194,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,063.22 : 288,595.56 = 141,172.14 : x
  2. Step 2: Convert to fraction form
    209,063.22/288,595.56 = 141,172.14/x
  3. Step 3: Cross multiply
    209,063.22x = 288,595.56 × 141,172.14
  4. Step 4: Simplify right side
    209,063.22x = 40,741,652,799.70
  5. Step 5: Solve for x
    x = 40,741,652,799.70/209,063.22
  6. Step 6: Final answer
    x = 194,877.19

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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.