Home / 190,043.01-262,363.46-129,703.68

Finding the Fourth Proportional to 190,043.01, 262,363.46 and 129,703.68

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Solution

The fourth proportional to 190,043.01, 262,363.46 and 129,703.68 is: 179,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,043.01 : 262,363.46 = 129,703.68 : x
  2. Step 2: Convert to fraction form
    190,043.01/262,363.46 = 129,703.68/x
  3. Step 3: Cross multiply
    190,043.01x = 262,363.46 × 129,703.68
  4. Step 4: Simplify right side
    190,043.01x = 34,029,505,611.01
  5. Step 5: Solve for x
    x = 34,029,505,611.01/190,043.01
  6. Step 6: Final answer
    x = 179,062.13

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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.