Home / 163,599.20-245,392-51,276.96

Finding the Fourth Proportional to 163,599.20, 245,392 and 51,276.96

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Solution

The fourth proportional to 163,599.20, 245,392 and 51,276.96 is: 76,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,599.20 : 245,392 = 51,276.96 : x
  2. Step 2: Convert to fraction form
    163,599.20/245,392 = 51,276.96/x
  3. Step 3: Cross multiply
    163,599.20x = 245,392 × 51,276.96
  4. Step 4: Simplify right side
    163,599.20x = 12,582,955,768.32
  5. Step 5: Solve for x
    x = 12,582,955,768.32/163,599.20
  6. Step 6: Final answer
    x = 76,913.31

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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.