Home / 127,119.77-190,670.39-52,219.57

Finding the Fourth Proportional to 127,119.77, 190,670.39 and 52,219.57

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Solution

The fourth proportional to 127,119.77, 190,670.39 and 52,219.57 is: 78,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,119.77 : 190,670.39 = 52,219.57 : x
  2. Step 2: Convert to fraction form
    127,119.77/190,670.39 = 52,219.57/x
  3. Step 3: Cross multiply
    127,119.77x = 190,670.39 × 52,219.57
  4. Step 4: Simplify right side
    127,119.77x = 9,956,725,777.53
  5. Step 5: Solve for x
    x = 9,956,725,777.53/127,119.77
  6. Step 6: Final answer
    x = 78,325.55

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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.