Home / 127,347.66-190,888.26-71,105.28

Finding the Fourth Proportional to 127,347.66, 190,888.26 and 71,105.28

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Solution

The fourth proportional to 127,347.66, 190,888.26 and 71,105.28 is: 106,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,347.66 : 190,888.26 = 71,105.28 : x
  2. Step 2: Convert to fraction form
    127,347.66/190,888.26 = 71,105.28/x
  3. Step 3: Cross multiply
    127,347.66x = 190,888.26 × 71,105.28
  4. Step 4: Simplify right side
    127,347.66x = 13,573,163,176.01
  5. Step 5: Solve for x
    x = 13,573,163,176.01/127,347.66
  6. Step 6: Final answer
    x = 106,583.53

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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.