Home / 209,666.22-289,336.52-119,021.39

Finding the Fourth Proportional to 209,666.22, 289,336.52 and 119,021.39

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Solution

The fourth proportional to 209,666.22, 289,336.52 and 119,021.39 is: 164,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,666.22 : 289,336.52 = 119,021.39 : x
  2. Step 2: Convert to fraction form
    209,666.22/289,336.52 = 119,021.39/x
  3. Step 3: Cross multiply
    209,666.22x = 289,336.52 × 119,021.39
  4. Step 4: Simplify right side
    209,666.22x = 34,437,235,809.06
  5. Step 5: Solve for x
    x = 34,437,235,809.06/209,666.22
  6. Step 6: Final answer
    x = 164,247.90

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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.