Home / 190,400.40-262,837.80-136,947.60

Finding the Fourth Proportional to 190,400.40, 262,837.80 and 136,947.60

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Solution

The fourth proportional to 190,400.40, 262,837.80 and 136,947.60 is: 189,049.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,400.40 : 262,837.80 = 136,947.60 : x
  2. Step 2: Convert to fraction form
    190,400.40/262,837.80 = 136,947.60/x
  3. Step 3: Cross multiply
    190,400.40x = 262,837.80 × 136,947.60
  4. Step 4: Simplify right side
    190,400.40x = 35,995,005,899.28
  5. Step 5: Solve for x
    x = 35,995,005,899.28/190,400.40
  6. Step 6: Final answer
    x = 189,049.00

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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.