Home / 127,204.32-190,800.72-52,353.12

Finding the Fourth Proportional to 127,204.32, 190,800.72 and 52,353.12

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Solution

The fourth proportional to 127,204.32, 190,800.72 and 52,353.12 is: 78,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,204.32 : 190,800.72 = 52,353.12 : x
  2. Step 2: Convert to fraction form
    127,204.32/190,800.72 = 52,353.12/x
  3. Step 3: Cross multiply
    127,204.32x = 190,800.72 × 52,353.12
  4. Step 4: Simplify right side
    127,204.32x = 9,989,012,990.25
  5. Step 5: Solve for x
    x = 9,989,012,990.25/127,204.32
  6. Step 6: Final answer
    x = 78,527.31

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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.