Home / 209,975.06-289,766.90-114,483.36

Finding the Fourth Proportional to 209,975.06, 289,766.90 and 114,483.36

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Solution

The fourth proportional to 209,975.06, 289,766.90 and 114,483.36 is: 157,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,975.06 : 289,766.90 = 114,483.36 : x
  2. Step 2: Convert to fraction form
    209,975.06/289,766.90 = 114,483.36/x
  3. Step 3: Cross multiply
    209,975.06x = 289,766.90 × 114,483.36
  4. Step 4: Simplify right side
    209,975.06x = 33,173,488,328.78
  5. Step 5: Solve for x
    x = 33,173,488,328.78/209,975.06
  6. Step 6: Final answer
    x = 157,987.75

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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.