Home / 123,504.42-185,212.74-53,345.46

Finding the Fourth Proportional to 123,504.42, 185,212.74 and 53,345.46

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Solution

The fourth proportional to 123,504.42, 185,212.74 and 53,345.46 is: 79,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,504.42 : 185,212.74 = 53,345.46 : x
  2. Step 2: Convert to fraction form
    123,504.42/185,212.74 = 53,345.46/x
  3. Step 3: Cross multiply
    123,504.42x = 185,212.74 × 53,345.46
  4. Step 4: Simplify right side
    123,504.42x = 9,880,258,813.16
  5. Step 5: Solve for x
    x = 9,880,258,813.16/123,504.42
  6. Step 6: Final answer
    x = 79,999.23

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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.