Home / 236,128.02-325,858.26-128,697.72

Finding the Fourth Proportional to 236,128.02, 325,858.26 and 128,697.72

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Solution

The fourth proportional to 236,128.02, 325,858.26 and 128,697.72 is: 177,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,128.02 : 325,858.26 = 128,697.72 : x
  2. Step 2: Convert to fraction form
    236,128.02/325,858.26 = 128,697.72/x
  3. Step 3: Cross multiply
    236,128.02x = 325,858.26 × 128,697.72
  4. Step 4: Simplify right side
    236,128.02x = 41,937,215,105.17
  5. Step 5: Solve for x
    x = 41,937,215,105.17/236,128.02
  6. Step 6: Final answer
    x = 177,603.72

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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.