Home / 127,324.08-190,920.42-57,143.34

Finding the Fourth Proportional to 127,324.08, 190,920.42 and 57,143.34

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Solution

The fourth proportional to 127,324.08, 190,920.42 and 57,143.34 is: 85,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,324.08 : 190,920.42 = 57,143.34 : x
  2. Step 2: Convert to fraction form
    127,324.08/190,920.42 = 57,143.34/x
  3. Step 3: Cross multiply
    127,324.08x = 190,920.42 × 57,143.34
  4. Step 4: Simplify right side
    127,324.08x = 10,909,830,473.00
  5. Step 5: Solve for x
    x = 10,909,830,473.00/127,324.08
  6. Step 6: Final answer
    x = 85,685.52

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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.