Home / 158,845.43-239,383.73-143,070.23

Finding the Fourth Proportional to 158,845.43, 239,383.73 and 143,070.23

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Solution

The fourth proportional to 158,845.43, 239,383.73 and 143,070.23 is: 215,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,845.43 : 239,383.73 = 143,070.23 : x
  2. Step 2: Convert to fraction form
    158,845.43/239,383.73 = 143,070.23/x
  3. Step 3: Cross multiply
    158,845.43x = 239,383.73 × 143,070.23
  4. Step 4: Simplify right side
    158,845.43x = 34,248,685,309.36
  5. Step 5: Solve for x
    x = 34,248,685,309.36/158,845.43
  6. Step 6: Final answer
    x = 215,610.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.