Home / 127,233.24-190,915.47-52,408.68

Finding the Fourth Proportional to 127,233.24, 190,915.47 and 52,408.68

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Solution

The fourth proportional to 127,233.24, 190,915.47 and 52,408.68 is: 78,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,233.24 : 190,915.47 = 52,408.68 : x
  2. Step 2: Convert to fraction form
    127,233.24/190,915.47 = 52,408.68/x
  3. Step 3: Cross multiply
    127,233.24x = 190,915.47 × 52,408.68
  4. Step 4: Simplify right side
    127,233.24x = 10,005,627,774.28
  5. Step 5: Solve for x
    x = 10,005,627,774.28/127,233.24
  6. Step 6: Final answer
    x = 78,640.05

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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.