Home / 127,065.12-190,524.74-48,129

Finding the Fourth Proportional to 127,065.12, 190,524.74 and 48,129

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Solution

The fourth proportional to 127,065.12, 190,524.74 and 48,129 is: 72,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.12 : 190,524.74 = 48,129 : x
  2. Step 2: Convert to fraction form
    127,065.12/190,524.74 = 48,129/x
  3. Step 3: Cross multiply
    127,065.12x = 190,524.74 × 48,129
  4. Step 4: Simplify right side
    127,065.12x = 9,169,765,211.46
  5. Step 5: Solve for x
    x = 9,169,765,211.46/127,065.12
  6. Step 6: Final answer
    x = 72,165.87

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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.