Home / 126,808.94-190,192.15-42,559.63

Finding the Fourth Proportional to 126,808.94, 190,192.15 and 42,559.63

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Solution

The fourth proportional to 126,808.94, 190,192.15 and 42,559.63 is: 63,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,808.94 : 190,192.15 = 42,559.63 : x
  2. Step 2: Convert to fraction form
    126,808.94/190,192.15 = 42,559.63/x
  3. Step 3: Cross multiply
    126,808.94x = 190,192.15 × 42,559.63
  4. Step 4: Simplify right side
    126,808.94x = 8,094,507,110.62
  5. Step 5: Solve for x
    x = 8,094,507,110.62/126,808.94
  6. Step 6: Final answer
    x = 63,832.31

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1.5x scale

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.