Home / 143,351.28-213,817.44-124,482.96

Finding the Fourth Proportional to 143,351.28, 213,817.44 and 124,482.96

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Solution

The fourth proportional to 143,351.28, 213,817.44 and 124,482.96 is: 185,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,351.28 : 213,817.44 = 124,482.96 : x
  2. Step 2: Convert to fraction form
    143,351.28/213,817.44 = 124,482.96/x
  3. Step 3: Cross multiply
    143,351.28x = 213,817.44 × 124,482.96
  4. Step 4: Simplify right side
    143,351.28x = 26,616,627,830.82
  5. Step 5: Solve for x
    x = 26,616,627,830.82/143,351.28
  6. Step 6: Final answer
    x = 185,674.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.