Home / 518,192.19-777,214.47-163,196.98

Finding the Fourth Proportional to 518,192.19, 777,214.47 and 163,196.98

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Solution

The fourth proportional to 518,192.19, 777,214.47 and 163,196.98 is: 244,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,192.19 : 777,214.47 = 163,196.98 : x
  2. Step 2: Convert to fraction form
    518,192.19/777,214.47 = 163,196.98/x
  3. Step 3: Cross multiply
    518,192.19x = 777,214.47 × 163,196.98
  4. Step 4: Simplify right side
    518,192.19x = 126,839,054,316.30
  5. Step 5: Solve for x
    x = 126,839,054,316.30/518,192.19
  6. Step 6: Final answer
    x = 244,772.22

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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.