Home / 209,829.69-289,565.01-114,336.36

Finding the Fourth Proportional to 209,829.69, 289,565.01 and 114,336.36

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Solution

The fourth proportional to 209,829.69, 289,565.01 and 114,336.36 is: 157,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,829.69 : 289,565.01 = 114,336.36 : x
  2. Step 2: Convert to fraction form
    209,829.69/289,565.01 = 114,336.36/x
  3. Step 3: Cross multiply
    209,829.69x = 289,565.01 × 114,336.36
  4. Step 4: Simplify right side
    209,829.69x = 33,107,809,226.76
  5. Step 5: Solve for x
    x = 33,107,809,226.76/209,829.69
  6. Step 6: Final answer
    x = 157,784.20

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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.