Home / 134,673.60-201,840.30-68,132.10

Finding the Fourth Proportional to 134,673.60, 201,840.30 and 68,132.10

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Solution

The fourth proportional to 134,673.60, 201,840.30 and 68,132.10 is: 102,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,673.60 : 201,840.30 = 68,132.10 : x
  2. Step 2: Convert to fraction form
    134,673.60/201,840.30 = 68,132.10/x
  3. Step 3: Cross multiply
    134,673.60x = 201,840.30 × 68,132.10
  4. Step 4: Simplify right side
    134,673.60x = 13,751,803,503.63
  5. Step 5: Solve for x
    x = 13,751,803,503.63/134,673.60
  6. Step 6: Final answer
    x = 102,112.10

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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.