Home / 236,033.51-325,729.98-128,603.52

Finding the Fourth Proportional to 236,033.51, 325,729.98 and 128,603.52

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Solution

The fourth proportional to 236,033.51, 325,729.98 and 128,603.52 is: 177,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,033.51 : 325,729.98 = 128,603.52 : x
  2. Step 2: Convert to fraction form
    236,033.51/325,729.98 = 128,603.52/x
  3. Step 3: Cross multiply
    236,033.51x = 325,729.98 × 128,603.52
  4. Step 4: Simplify right side
    236,033.51x = 41,890,021,997.53
  5. Step 5: Solve for x
    x = 41,890,021,997.53/236,033.51
  6. Step 6: Final answer
    x = 177,474.90

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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.