Home / 226,283.22-312,236.13-130,771.47

Finding the Fourth Proportional to 226,283.22, 312,236.13 and 130,771.47

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Solution

The fourth proportional to 226,283.22, 312,236.13 and 130,771.47 is: 180,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,283.22 : 312,236.13 = 130,771.47 : x
  2. Step 2: Convert to fraction form
    226,283.22/312,236.13 = 130,771.47/x
  3. Step 3: Cross multiply
    226,283.22x = 312,236.13 × 130,771.47
  4. Step 4: Simplify right side
    226,283.22x = 40,831,577,707.21
  5. Step 5: Solve for x
    x = 40,831,577,707.21/226,283.22
  6. Step 6: Final answer
    x = 180,444.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.