Home / 151,290.36-208,782.23-83,313.65

Finding the Fourth Proportional to 151,290.36, 208,782.23 and 83,313.65

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Solution

The fourth proportional to 151,290.36, 208,782.23 and 83,313.65 is: 114,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,290.36 : 208,782.23 = 83,313.65 : x
  2. Step 2: Convert to fraction form
    151,290.36/208,782.23 = 83,313.65/x
  3. Step 3: Cross multiply
    151,290.36x = 208,782.23 × 83,313.65
  4. Step 4: Simplify right side
    151,290.36x = 17,394,409,636.44
  5. Step 5: Solve for x
    x = 17,394,409,636.44/151,290.36
  6. Step 6: Final answer
    x = 114,973.68

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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.