Home / 347,485.80-521,269.20-110,852.40

Finding the Fourth Proportional to 347,485.80, 521,269.20 and 110,852.40

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Solution

The fourth proportional to 347,485.80, 521,269.20 and 110,852.40 is: 166,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,485.80 : 521,269.20 = 110,852.40 : x
  2. Step 2: Convert to fraction form
    347,485.80/521,269.20 = 110,852.40/x
  3. Step 3: Cross multiply
    347,485.80x = 521,269.20 × 110,852.40
  4. Step 4: Simplify right side
    347,485.80x = 57,783,941,866.08
  5. Step 5: Solve for x
    x = 57,783,941,866.08/347,485.80
  6. Step 6: Final answer
    x = 166,291.52

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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.