Home / 190,032.69-262,227.26-128,654.02

Finding the Fourth Proportional to 190,032.69, 262,227.26 and 128,654.02

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Solution

The fourth proportional to 190,032.69, 262,227.26 and 128,654.02 is: 177,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,032.69 : 262,227.26 = 128,654.02 : x
  2. Step 2: Convert to fraction form
    190,032.69/262,227.26 = 128,654.02/x
  3. Step 3: Cross multiply
    190,032.69x = 262,227.26 × 128,654.02
  4. Step 4: Simplify right side
    190,032.69x = 33,736,591,570.00
  5. Step 5: Solve for x
    x = 33,736,591,570.00/190,032.69
  6. Step 6: Final answer
    x = 177,530.46

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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.