Home / 151,566.33-209,157.03-83,583.30

Finding the Fourth Proportional to 151,566.33, 209,157.03 and 83,583.30

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Solution

The fourth proportional to 151,566.33, 209,157.03 and 83,583.30 is: 115,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,566.33 : 209,157.03 = 83,583.30 : x
  2. Step 2: Convert to fraction form
    151,566.33/209,157.03 = 83,583.30/x
  3. Step 3: Cross multiply
    151,566.33x = 209,157.03 × 83,583.30
  4. Step 4: Simplify right side
    151,566.33x = 17,482,034,785.60
  5. Step 5: Solve for x
    x = 17,482,034,785.60/151,566.33
  6. Step 6: Final answer
    x = 115,342.47

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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.