Home / 177,826.55-245,640.26-142,270.79

Finding the Fourth Proportional to 177,826.55, 245,640.26 and 142,270.79

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Solution

The fourth proportional to 177,826.55, 245,640.26 and 142,270.79 is: 196,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,826.55 : 245,640.26 = 142,270.79 : x
  2. Step 2: Convert to fraction form
    177,826.55/245,640.26 = 142,270.79/x
  3. Step 3: Cross multiply
    177,826.55x = 245,640.26 × 142,270.79
  4. Step 4: Simplify right side
    177,826.55x = 34,947,432,973.48
  5. Step 5: Solve for x
    x = 34,947,432,973.48/177,826.55
  6. Step 6: Final answer
    x = 196,525.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.