Home / 346,086.40-518,740.80-177,541.60

Finding the Fourth Proportional to 346,086.40, 518,740.80 and 177,541.60

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Solution

The fourth proportional to 346,086.40, 518,740.80 and 177,541.60 is: 266,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,086.40 : 518,740.80 = 177,541.60 : x
  2. Step 2: Convert to fraction form
    346,086.40/518,740.80 = 177,541.60/x
  3. Step 3: Cross multiply
    346,086.40x = 518,740.80 × 177,541.60
  4. Step 4: Simplify right side
    346,086.40x = 92,098,071,617.28
  5. Step 5: Solve for x
    x = 92,098,071,617.28/346,086.40
  6. Step 6: Final answer
    x = 266,112.95

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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.