Home / 125,409.33-173,208.62-82,580.28

Finding the Fourth Proportional to 125,409.33, 173,208.62 and 82,580.28

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Solution

The fourth proportional to 125,409.33, 173,208.62 and 82,580.28 is: 114,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,409.33 : 173,208.62 = 82,580.28 : x
  2. Step 2: Convert to fraction form
    125,409.33/173,208.62 = 82,580.28/x
  3. Step 3: Cross multiply
    125,409.33x = 173,208.62 × 82,580.28
  4. Step 4: Simplify right side
    125,409.33x = 14,303,615,925.11
  5. Step 5: Solve for x
    x = 14,303,615,925.11/125,409.33
  6. Step 6: Final answer
    x = 114,055.44

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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.