Home / 209,519.02-289,130.70-114,023.67

Finding the Fourth Proportional to 209,519.02, 289,130.70 and 114,023.67

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Solution

The fourth proportional to 209,519.02, 289,130.70 and 114,023.67 is: 157,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,519.02 : 289,130.70 = 114,023.67 : x
  2. Step 2: Convert to fraction form
    209,519.02/289,130.70 = 114,023.67/x
  3. Step 3: Cross multiply
    209,519.02x = 289,130.70 × 114,023.67
  4. Step 4: Simplify right side
    209,519.02x = 32,967,743,523.67
  5. Step 5: Solve for x
    x = 32,967,743,523.67/209,519.02
  6. Step 6: Final answer
    x = 157,349.65

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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.