Home / 127,237.23-190,891.08-38,491.20

Finding the Fourth Proportional to 127,237.23, 190,891.08 and 38,491.20

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Solution

The fourth proportional to 127,237.23, 190,891.08 and 38,491.20 is: 57,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,237.23 : 190,891.08 = 38,491.20 : x
  2. Step 2: Convert to fraction form
    127,237.23/190,891.08 = 38,491.20/x
  3. Step 3: Cross multiply
    127,237.23x = 190,891.08 × 38,491.20
  4. Step 4: Simplify right side
    127,237.23x = 7,347,626,738.50
  5. Step 5: Solve for x
    x = 7,347,626,738.50/127,237.23
  6. Step 6: Final answer
    x = 57,747.46

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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.