Home / 209,505.42-289,117.74-114,012.06

Finding the Fourth Proportional to 209,505.42, 289,117.74 and 114,012.06

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Solution

The fourth proportional to 209,505.42, 289,117.74 and 114,012.06 is: 157,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,505.42 : 289,117.74 = 114,012.06 : x
  2. Step 2: Convert to fraction form
    209,505.42/289,117.74 = 114,012.06/x
  3. Step 3: Cross multiply
    209,505.42x = 289,117.74 × 114,012.06
  4. Step 4: Simplify right side
    209,505.42x = 32,962,909,119.94
  5. Step 5: Solve for x
    x = 32,962,909,119.94/209,505.42
  6. Step 6: Final answer
    x = 157,336.78

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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.