Home / 151,986.24-209,736.72-84,918.24

Finding the Fourth Proportional to 151,986.24, 209,736.72 and 84,918.24

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Solution

The fourth proportional to 151,986.24, 209,736.72 and 84,918.24 is: 117,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,986.24 : 209,736.72 = 84,918.24 : x
  2. Step 2: Convert to fraction form
    151,986.24/209,736.72 = 84,918.24/x
  3. Step 3: Cross multiply
    151,986.24x = 209,736.72 × 84,918.24
  4. Step 4: Simplify right side
    151,986.24x = 17,810,473,125.77
  5. Step 5: Solve for x
    x = 17,810,473,125.77/151,986.24
  6. Step 6: Final answer
    x = 117,184.77

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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.