Home / 159,030.51-238,367.98-68,969.24

Finding the Fourth Proportional to 159,030.51, 238,367.98 and 68,969.24

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Solution

The fourth proportional to 159,030.51, 238,367.98 and 68,969.24 is: 103,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,030.51 : 238,367.98 = 68,969.24 : x
  2. Step 2: Convert to fraction form
    159,030.51/238,367.98 = 68,969.24/x
  3. Step 3: Cross multiply
    159,030.51x = 238,367.98 × 68,969.24
  4. Step 4: Simplify right side
    159,030.51x = 16,440,058,420.94
  5. Step 5: Solve for x
    x = 16,440,058,420.94/159,030.51
  6. Step 6: Final answer
    x = 103,376.76

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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.