Home / 151,919.03-209,647.04-83,935.79

Finding the Fourth Proportional to 151,919.03, 209,647.04 and 83,935.79

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Solution

The fourth proportional to 151,919.03, 209,647.04 and 83,935.79 is: 115,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,919.03 : 209,647.04 = 83,935.79 : x
  2. Step 2: Convert to fraction form
    151,919.03/209,647.04 = 83,935.79/x
  3. Step 3: Cross multiply
    151,919.03x = 209,647.04 × 83,935.79
  4. Step 4: Simplify right side
    151,919.03x = 17,596,889,241.82
  5. Step 5: Solve for x
    x = 17,596,889,241.82/151,919.03
  6. Step 6: Final answer
    x = 115,830.71

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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.