Home / 127,370.42-190,806.51-104,913.34

Finding the Fourth Proportional to 127,370.42, 190,806.51 and 104,913.34

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Solution

The fourth proportional to 127,370.42, 190,806.51 and 104,913.34 is: 157,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,370.42 : 190,806.51 = 104,913.34 : x
  2. Step 2: Convert to fraction form
    127,370.42/190,806.51 = 104,913.34/x
  3. Step 3: Cross multiply
    127,370.42x = 190,806.51 × 104,913.34
  4. Step 4: Simplify right side
    127,370.42x = 20,018,148,952.47
  5. Step 5: Solve for x
    x = 20,018,148,952.47/127,370.42
  6. Step 6: Final answer
    x = 157,164.81

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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.