Home / 151,054.03-208,455.90-82,143.73

Finding the Fourth Proportional to 151,054.03, 208,455.90 and 82,143.73

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Solution

The fourth proportional to 151,054.03, 208,455.90 and 82,143.73 is: 113,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,054.03 : 208,455.90 = 82,143.73 : x
  2. Step 2: Convert to fraction form
    151,054.03/208,455.90 = 82,143.73/x
  3. Step 3: Cross multiply
    151,054.03x = 208,455.90 × 82,143.73
  4. Step 4: Simplify right side
    151,054.03x = 17,123,345,166.51
  5. Step 5: Solve for x
    x = 17,123,345,166.51/151,054.03
  6. Step 6: Final answer
    x = 113,359.08

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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.