Home / 127,339.24-190,942.94-57,158.12

Finding the Fourth Proportional to 127,339.24, 190,942.94 and 57,158.12

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Solution

The fourth proportional to 127,339.24, 190,942.94 and 57,158.12 is: 85,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.24 : 190,942.94 = 57,158.12 : x
  2. Step 2: Convert to fraction form
    127,339.24/190,942.94 = 57,158.12/x
  3. Step 3: Cross multiply
    127,339.24x = 190,942.94 × 57,158.12
  4. Step 4: Simplify right side
    127,339.24x = 10,913,939,477.67
  5. Step 5: Solve for x
    x = 10,913,939,477.67/127,339.24
  6. Step 6: Final answer
    x = 85,707.59

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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.