Home / 290,196.09-435,206.66-103,196.25

Finding the Fourth Proportional to 290,196.09, 435,206.66 and 103,196.25

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Solution

The fourth proportional to 290,196.09, 435,206.66 and 103,196.25 is: 154,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,196.09 : 435,206.66 = 103,196.25 : x
  2. Step 2: Convert to fraction form
    290,196.09/435,206.66 = 103,196.25/x
  3. Step 3: Cross multiply
    290,196.09x = 435,206.66 × 103,196.25
  4. Step 4: Simplify right side
    290,196.09x = 44,911,694,771.04
  5. Step 5: Solve for x
    x = 44,911,694,771.04/290,196.09
  6. Step 6: Final answer
    x = 154,763.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.