Home / 170,436.33-235,627.26-127,921.05

Finding the Fourth Proportional to 170,436.33, 235,627.26 and 127,921.05

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Solution

The fourth proportional to 170,436.33, 235,627.26 and 127,921.05 is: 176,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,436.33 : 235,627.26 = 127,921.05 : x
  2. Step 2: Convert to fraction form
    170,436.33/235,627.26 = 127,921.05/x
  3. Step 3: Cross multiply
    170,436.33x = 235,627.26 × 127,921.05
  4. Step 4: Simplify right side
    170,436.33x = 30,141,686,507.82
  5. Step 5: Solve for x
    x = 30,141,686,507.82/170,436.33
  6. Step 6: Final answer
    x = 176,850.13

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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.