Home / 170,427.69-235,615.38-127,912.41

Finding the Fourth Proportional to 170,427.69, 235,615.38 and 127,912.41

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Solution

The fourth proportional to 170,427.69, 235,615.38 and 127,912.41 is: 176,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,427.69 : 235,615.38 = 127,912.41 : x
  2. Step 2: Convert to fraction form
    170,427.69/235,615.38 = 127,912.41/x
  3. Step 3: Cross multiply
    170,427.69x = 235,615.38 × 127,912.41
  4. Step 4: Simplify right side
    170,427.69x = 30,138,131,088.87
  5. Step 5: Solve for x
    x = 30,138,131,088.87/170,427.69
  6. Step 6: Final answer
    x = 176,838.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.