Home / 127,116.30-190,674.45-52,211.55

Finding the Fourth Proportional to 127,116.30, 190,674.45 and 52,211.55

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Solution

The fourth proportional to 127,116.30, 190,674.45 and 52,211.55 is: 78,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.30 : 190,674.45 = 52,211.55 : x
  2. Step 2: Convert to fraction form
    127,116.30/190,674.45 = 52,211.55/x
  3. Step 3: Cross multiply
    127,116.30x = 190,674.45 × 52,211.55
  4. Step 4: Simplify right side
    127,116.30x = 9,955,408,579.90
  5. Step 5: Solve for x
    x = 9,955,408,579.90/127,116.30
  6. Step 6: Final answer
    x = 78,317.33

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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.