Home / 236,031.63-325,727.37-128,601.65

Finding the Fourth Proportional to 236,031.63, 325,727.37 and 128,601.65

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Solution

The fourth proportional to 236,031.63, 325,727.37 and 128,601.65 is: 177,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,031.63 : 325,727.37 = 128,601.65 : x
  2. Step 2: Convert to fraction form
    236,031.63/325,727.37 = 128,601.65/x
  3. Step 3: Cross multiply
    236,031.63x = 325,727.37 × 128,601.65
  4. Step 4: Simplify right side
    236,031.63x = 41,889,075,603.52
  5. Step 5: Solve for x
    x = 41,889,075,603.52/236,031.63
  6. Step 6: Final answer
    x = 177,472.30

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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.