Home / 314,742.56-471,770.34-154,928.48

Finding the Fourth Proportional to 314,742.56, 471,770.34 and 154,928.48

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Solution

The fourth proportional to 314,742.56, 471,770.34 and 154,928.48 is: 232,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,742.56 : 471,770.34 = 154,928.48 : x
  2. Step 2: Convert to fraction form
    314,742.56/471,770.34 = 154,928.48/x
  3. Step 3: Cross multiply
    314,742.56x = 471,770.34 × 154,928.48
  4. Step 4: Simplify right side
    314,742.56x = 73,090,661,685.28
  5. Step 5: Solve for x
    x = 73,090,661,685.28/314,742.56
  6. Step 6: Final answer
    x = 232,223.64

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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.