Home / 151,069.48-208,481.63-83,089.62

Finding the Fourth Proportional to 151,069.48, 208,481.63 and 83,089.62

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Solution

The fourth proportional to 151,069.48, 208,481.63 and 83,089.62 is: 114,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,069.48 : 208,481.63 = 83,089.62 : x
  2. Step 2: Convert to fraction form
    151,069.48/208,481.63 = 83,089.62/x
  3. Step 3: Cross multiply
    151,069.48x = 208,481.63 × 83,089.62
  4. Step 4: Simplify right side
    151,069.48x = 17,322,658,998.23
  5. Step 5: Solve for x
    x = 17,322,658,998.23/151,069.48
  6. Step 6: Final answer
    x = 114,666.84

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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.