Home / 347,790.56-521,573.28-111,077.28

Finding the Fourth Proportional to 347,790.56, 521,573.28 and 111,077.28

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Solution

The fourth proportional to 347,790.56, 521,573.28 and 111,077.28 is: 166,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,790.56 : 521,573.28 = 111,077.28 : x
  2. Step 2: Convert to fraction form
    347,790.56/521,573.28 = 111,077.28/x
  3. Step 3: Cross multiply
    347,790.56x = 521,573.28 × 111,077.28
  4. Step 4: Simplify right side
    347,790.56x = 57,934,941,263.08
  5. Step 5: Solve for x
    x = 57,934,941,263.08/347,790.56
  6. Step 6: Final answer
    x = 166,579.97

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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.