Home / 208,987.26-288,409.56-117,110.46

Finding the Fourth Proportional to 208,987.26, 288,409.56 and 117,110.46

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Solution

The fourth proportional to 208,987.26, 288,409.56 and 117,110.46 is: 161,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,987.26 : 288,409.56 = 117,110.46 : x
  2. Step 2: Convert to fraction form
    208,987.26/288,409.56 = 117,110.46/x
  3. Step 3: Cross multiply
    208,987.26x = 288,409.56 × 117,110.46
  4. Step 4: Simplify right side
    208,987.26x = 33,775,776,240.00
  5. Step 5: Solve for x
    x = 33,775,776,240.00/208,987.26
  6. Step 6: Final answer
    x = 161,616.44

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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.