Home / 209,325.44-288,712.68-160,919.84

Finding the Fourth Proportional to 209,325.44, 288,712.68 and 160,919.84

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Solution

The fourth proportional to 209,325.44, 288,712.68 and 160,919.84 is: 221,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,325.44 : 288,712.68 = 160,919.84 : x
  2. Step 2: Convert to fraction form
    209,325.44/288,712.68 = 160,919.84/x
  3. Step 3: Cross multiply
    209,325.44x = 288,712.68 × 160,919.84
  4. Step 4: Simplify right side
    209,325.44x = 46,459,598,271.57
  5. Step 5: Solve for x
    x = 46,459,598,271.57/209,325.44
  6. Step 6: Final answer
    x = 221,949.13

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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.