Home / 127,035.94-190,561.20-38,280.19

Finding the Fourth Proportional to 127,035.94, 190,561.20 and 38,280.19

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Solution

The fourth proportional to 127,035.94, 190,561.20 and 38,280.19 is: 57,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,035.94 : 190,561.20 = 38,280.19 : x
  2. Step 2: Convert to fraction form
    127,035.94/190,561.20 = 38,280.19/x
  3. Step 3: Cross multiply
    127,035.94x = 190,561.20 × 38,280.19
  4. Step 4: Simplify right side
    127,035.94x = 7,294,718,942.63
  5. Step 5: Solve for x
    x = 7,294,718,942.63/127,035.94
  6. Step 6: Final answer
    x = 57,422.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.