Home / 209,647.10-289,314.79-119,003.24

Finding the Fourth Proportional to 209,647.10, 289,314.79 and 119,003.24

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Solution

The fourth proportional to 209,647.10, 289,314.79 and 119,003.24 is: 164,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,647.10 : 289,314.79 = 119,003.24 : x
  2. Step 2: Convert to fraction form
    209,647.10/289,314.79 = 119,003.24/x
  3. Step 3: Cross multiply
    209,647.10x = 289,314.79 × 119,003.24
  4. Step 4: Simplify right side
    209,647.10x = 34,429,397,815.70
  5. Step 5: Solve for x
    x = 34,429,397,815.70/209,647.10
  6. Step 6: Final answer
    x = 164,225.49

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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.