Home / 209,452.30-289,045.44-113,959.72

Finding the Fourth Proportional to 209,452.30, 289,045.44 and 113,959.72

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Solution

The fourth proportional to 209,452.30, 289,045.44 and 113,959.72 is: 157,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,452.30 : 289,045.44 = 113,959.72 : x
  2. Step 2: Convert to fraction form
    209,452.30/289,045.44 = 113,959.72/x
  3. Step 3: Cross multiply
    209,452.30x = 289,045.44 × 113,959.72
  4. Step 4: Simplify right side
    209,452.30x = 32,939,537,409.68
  5. Step 5: Solve for x
    x = 32,939,537,409.68/209,452.30
  6. Step 6: Final answer
    x = 157,265.10

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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.