Home / 209,666.34-289,331.91-114,170.94

Finding the Fourth Proportional to 209,666.34, 289,331.91 and 114,170.94

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Solution

The fourth proportional to 209,666.34, 289,331.91 and 114,170.94 is: 157,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,666.34 : 289,331.91 = 114,170.94 : x
  2. Step 2: Convert to fraction form
    209,666.34/289,331.91 = 114,170.94/x
  3. Step 3: Cross multiply
    209,666.34x = 289,331.91 × 114,170.94
  4. Step 4: Simplify right side
    209,666.34x = 33,033,296,136.70
  5. Step 5: Solve for x
    x = 33,033,296,136.70/209,666.34
  6. Step 6: Final answer
    x = 157,551.74

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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.