Home / 345,968.64-518,500.80-177,346.08

Finding the Fourth Proportional to 345,968.64, 518,500.80 and 177,346.08

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Solution

The fourth proportional to 345,968.64, 518,500.80 and 177,346.08 is: 265,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,968.64 : 518,500.80 = 177,346.08 : x
  2. Step 2: Convert to fraction form
    345,968.64/518,500.80 = 177,346.08/x
  3. Step 3: Cross multiply
    345,968.64x = 518,500.80 × 177,346.08
  4. Step 4: Simplify right side
    345,968.64x = 91,954,084,356.86
  5. Step 5: Solve for x
    x = 91,954,084,356.86/345,968.64
  6. Step 6: Final answer
    x = 265,787.34

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1.5x scale

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.