Home / 171,519.47-257,304.11-53,200.34

Finding the Fourth Proportional to 171,519.47, 257,304.11 and 53,200.34

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Solution

The fourth proportional to 171,519.47, 257,304.11 and 53,200.34 is: 79,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,519.47 : 257,304.11 = 53,200.34 : x
  2. Step 2: Convert to fraction form
    171,519.47/257,304.11 = 53,200.34/x
  3. Step 3: Cross multiply
    171,519.47x = 257,304.11 × 53,200.34
  4. Step 4: Simplify right side
    171,519.47x = 13,688,666,135.40
  5. Step 5: Solve for x
    x = 13,688,666,135.40/171,519.47
  6. Step 6: Final answer
    x = 79,808.23

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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.