Home / 176,730.90-243,848.61-129,010.26

Finding the Fourth Proportional to 176,730.90, 243,848.61 and 129,010.26

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Solution

The fourth proportional to 176,730.90, 243,848.61 and 129,010.26 is: 178,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,730.90 : 243,848.61 = 129,010.26 : x
  2. Step 2: Convert to fraction form
    176,730.90/243,848.61 = 129,010.26/x
  3. Step 3: Cross multiply
    176,730.90x = 243,848.61 × 129,010.26
  4. Step 4: Simplify right side
    176,730.90x = 31,458,972,576.74
  5. Step 5: Solve for x
    x = 31,458,972,576.74/176,730.90
  6. Step 6: Final answer
    x = 178,004.94

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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.