Home / 126,764.53-190,172.34-46,803.02

Finding the Fourth Proportional to 126,764.53, 190,172.34 and 46,803.02

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Solution

The fourth proportional to 126,764.53, 190,172.34 and 46,803.02 is: 70,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,764.53 : 190,172.34 = 46,803.02 : x
  2. Step 2: Convert to fraction form
    126,764.53/190,172.34 = 46,803.02/x
  3. Step 3: Cross multiply
    126,764.53x = 190,172.34 × 46,803.02
  4. Step 4: Simplify right side
    126,764.53x = 8,900,638,881.61
  5. Step 5: Solve for x
    x = 8,900,638,881.61/126,764.53
  6. Step 6: Final answer
    x = 70,213.96

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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.