Home / 151,351.99-208,858.02-83,367.50

Finding the Fourth Proportional to 151,351.99, 208,858.02 and 83,367.50

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Solution

The fourth proportional to 151,351.99, 208,858.02 and 83,367.50 is: 115,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351.99 : 208,858.02 = 83,367.50 : x
  2. Step 2: Convert to fraction form
    151,351.99/208,858.02 = 83,367.50/x
  3. Step 3: Cross multiply
    151,351.99x = 208,858.02 × 83,367.50
  4. Step 4: Simplify right side
    151,351.99x = 17,411,969,938.06
  5. Step 5: Solve for x
    x = 17,411,969,938.06/151,351.99
  6. Step 6: Final answer
    x = 115,042.89

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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.