Home / 119,420.19-179,132.71-40,534.29

Finding the Fourth Proportional to 119,420.19, 179,132.71 and 40,534.29

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Solution

The fourth proportional to 119,420.19, 179,132.71 and 40,534.29 is: 60,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,420.19 : 179,132.71 = 40,534.29 : x
  2. Step 2: Convert to fraction form
    119,420.19/179,132.71 = 40,534.29/x
  3. Step 3: Cross multiply
    119,420.19x = 179,132.71 × 40,534.29
  4. Step 4: Simplify right side
    119,420.19x = 7,261,017,215.63
  5. Step 5: Solve for x
    x = 7,261,017,215.63/119,420.19
  6. Step 6: Final answer
    x = 60,802.26

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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.