Home / 127,118.63-190,739.91-52,261.27

Finding the Fourth Proportional to 127,118.63, 190,739.91 and 52,261.27

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Solution

The fourth proportional to 127,118.63, 190,739.91 and 52,261.27 is: 78,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118.63 : 190,739.91 = 52,261.27 : x
  2. Step 2: Convert to fraction form
    127,118.63/190,739.91 = 52,261.27/x
  3. Step 3: Cross multiply
    127,118.63x = 190,739.91 × 52,261.27
  4. Step 4: Simplify right side
    127,118.63x = 9,968,309,655.42
  5. Step 5: Solve for x
    x = 9,968,309,655.42/127,118.63
  6. Step 6: Final answer
    x = 78,417.38

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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.