Home / 158,960.39-219,365.16-87,340.24

Finding the Fourth Proportional to 158,960.39, 219,365.16 and 87,340.24

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Solution

The fourth proportional to 158,960.39, 219,365.16 and 87,340.24 is: 120,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,960.39 : 219,365.16 = 87,340.24 : x
  2. Step 2: Convert to fraction form
    158,960.39/219,365.16 = 87,340.24/x
  3. Step 3: Cross multiply
    158,960.39x = 219,365.16 × 87,340.24
  4. Step 4: Simplify right side
    158,960.39x = 19,159,404,625.21
  5. Step 5: Solve for x
    x = 19,159,404,625.21/158,960.39
  6. Step 6: Final answer
    x = 120,529.43

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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.