Home / 209,653.98-289,250.55-119,003.10

Finding the Fourth Proportional to 209,653.98, 289,250.55 and 119,003.10

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Solution

The fourth proportional to 209,653.98, 289,250.55 and 119,003.10 is: 164,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,653.98 : 289,250.55 = 119,003.10 : x
  2. Step 2: Convert to fraction form
    209,653.98/289,250.55 = 119,003.10/x
  3. Step 3: Cross multiply
    209,653.98x = 289,250.55 × 119,003.10
  4. Step 4: Simplify right side
    209,653.98x = 34,421,712,126.71
  5. Step 5: Solve for x
    x = 34,421,712,126.71/209,653.98
  6. Step 6: Final answer
    x = 164,183.44

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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.