Home / 134,802.40-202,333.20-68,317.60

Finding the Fourth Proportional to 134,802.40, 202,333.20 and 68,317.60

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Solution

The fourth proportional to 134,802.40, 202,333.20 and 68,317.60 is: 102,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,802.40 : 202,333.20 = 68,317.60 : x
  2. Step 2: Convert to fraction form
    134,802.40/202,333.20 = 68,317.60/x
  3. Step 3: Cross multiply
    134,802.40x = 202,333.20 × 68,317.60
  4. Step 4: Simplify right side
    134,802.40x = 13,822,918,624.32
  5. Step 5: Solve for x
    x = 13,822,918,624.32/134,802.40
  6. Step 6: Final answer
    x = 102,542.08

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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.