Home / 124,048.40-186,072.60-117,633.20

Finding the Fourth Proportional to 124,048.40, 186,072.60 and 117,633.20

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Solution

The fourth proportional to 124,048.40, 186,072.60 and 117,633.20 is: 176,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,048.40 : 186,072.60 = 117,633.20 : x
  2. Step 2: Convert to fraction form
    124,048.40/186,072.60 = 117,633.20/x
  3. Step 3: Cross multiply
    124,048.40x = 186,072.60 × 117,633.20
  4. Step 4: Simplify right side
    124,048.40x = 21,888,315,370.32
  5. Step 5: Solve for x
    x = 21,888,315,370.32/124,048.40
  6. Step 6: Final answer
    x = 176,449.80

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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.