Home / 220,938.50-304,895.74-125,460.16

Finding the Fourth Proportional to 220,938.50, 304,895.74 and 125,460.16

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Solution

The fourth proportional to 220,938.50, 304,895.74 and 125,460.16 is: 173,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,938.50 : 304,895.74 = 125,460.16 : x
  2. Step 2: Convert to fraction form
    220,938.50/304,895.74 = 125,460.16/x
  3. Step 3: Cross multiply
    220,938.50x = 304,895.74 × 125,460.16
  4. Step 4: Simplify right side
    220,938.50x = 38,252,268,323.72
  5. Step 5: Solve for x
    x = 38,252,268,323.72/220,938.50
  6. Step 6: Final answer
    x = 173,135.37

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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.