Home / 209,651.90-289,327.55-119,011.68

Finding the Fourth Proportional to 209,651.90, 289,327.55 and 119,011.68

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Solution

The fourth proportional to 209,651.90, 289,327.55 and 119,011.68 is: 164,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,651.90 : 289,327.55 = 119,011.68 : x
  2. Step 2: Convert to fraction form
    209,651.90/289,327.55 = 119,011.68/x
  3. Step 3: Cross multiply
    209,651.90x = 289,327.55 × 119,011.68
  4. Step 4: Simplify right side
    209,651.90x = 34,433,357,200.73
  5. Step 5: Solve for x
    x = 34,433,357,200.73/209,651.90
  6. Step 6: Final answer
    x = 164,240.62

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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.