Home / 236,132.81-325,863.53-128,702.93

Finding the Fourth Proportional to 236,132.81, 325,863.53 and 128,702.93

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Solution

The fourth proportional to 236,132.81, 325,863.53 and 128,702.93 is: 177,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,132.81 : 325,863.53 = 128,702.93 : x
  2. Step 2: Convert to fraction form
    236,132.81/325,863.53 = 128,702.93/x
  3. Step 3: Cross multiply
    236,132.81x = 325,863.53 × 128,702.93
  4. Step 4: Simplify right side
    236,132.81x = 41,939,590,447.63
  5. Step 5: Solve for x
    x = 41,939,590,447.63/236,132.81
  6. Step 6: Final answer
    x = 177,610.18

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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.