Home / 345,582.36-518,018.04-132,300.04

Finding the Fourth Proportional to 345,582.36, 518,018.04 and 132,300.04

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Solution

The fourth proportional to 345,582.36, 518,018.04 and 132,300.04 is: 198,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,582.36 : 518,018.04 = 132,300.04 : x
  2. Step 2: Convert to fraction form
    345,582.36/518,018.04 = 132,300.04/x
  3. Step 3: Cross multiply
    345,582.36x = 518,018.04 × 132,300.04
  4. Step 4: Simplify right side
    345,582.36x = 68,533,807,412.72
  5. Step 5: Solve for x
    x = 68,533,807,412.72/345,582.36
  6. Step 6: Final answer
    x = 198,313.96

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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.