Home / 203,513.14-305,316.23-70,393.28

Finding the Fourth Proportional to 203,513.14, 305,316.23 and 70,393.28

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Solution

The fourth proportional to 203,513.14, 305,316.23 and 70,393.28 is: 105,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,513.14 : 305,316.23 = 70,393.28 : x
  2. Step 2: Convert to fraction form
    203,513.14/305,316.23 = 70,393.28/x
  3. Step 3: Cross multiply
    203,513.14x = 305,316.23 × 70,393.28
  4. Step 4: Simplify right side
    203,513.14x = 21,492,210,866.93
  5. Step 5: Solve for x
    x = 21,492,210,866.93/203,513.14
  6. Step 6: Final answer
    x = 105,606.01

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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.