Home / 154,875.32-213,793.44-104,642.36

Finding the Fourth Proportional to 154,875.32, 213,793.44 and 104,642.36

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Solution

The fourth proportional to 154,875.32, 213,793.44 and 104,642.36 is: 144,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,875.32 : 213,793.44 = 104,642.36 : x
  2. Step 2: Convert to fraction form
    154,875.32/213,793.44 = 104,642.36/x
  3. Step 3: Cross multiply
    154,875.32x = 213,793.44 × 104,642.36
  4. Step 4: Simplify right side
    154,875.32x = 22,371,850,114.12
  5. Step 5: Solve for x
    x = 22,371,850,114.12/154,875.32
  6. Step 6: Final answer
    x = 144,450.71

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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.