Home / 127,946.80-176,509.48-74,200.66

Finding the Fourth Proportional to 127,946.80, 176,509.48 and 74,200.66

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Solution

The fourth proportional to 127,946.80, 176,509.48 and 74,200.66 is: 102,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.80 : 176,509.48 = 74,200.66 : x
  2. Step 2: Convert to fraction form
    127,946.80/176,509.48 = 74,200.66/x
  3. Step 3: Cross multiply
    127,946.80x = 176,509.48 × 74,200.66
  4. Step 4: Simplify right side
    127,946.80x = 13,097,119,912.26
  5. Step 5: Solve for x
    x = 13,097,119,912.26/127,946.80
  6. Step 6: Final answer
    x = 102,363.79

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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.