Home / 151,774.02-209,446.97-83,791.06

Finding the Fourth Proportional to 151,774.02, 209,446.97 and 83,791.06

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Solution

The fourth proportional to 151,774.02, 209,446.97 and 83,791.06 is: 115,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,774.02 : 209,446.97 = 83,791.06 : x
  2. Step 2: Convert to fraction form
    151,774.02/209,446.97 = 83,791.06/x
  3. Step 3: Cross multiply
    151,774.02x = 209,446.97 × 83,791.06
  4. Step 4: Simplify right side
    151,774.02x = 17,549,782,687.52
  5. Step 5: Solve for x
    x = 17,549,782,687.52/151,774.02
  6. Step 6: Final answer
    x = 115,631.01

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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.