Home / 116,326.76-174,576.98-86,410.07

Finding the Fourth Proportional to 116,326.76, 174,576.98 and 86,410.07

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Solution

The fourth proportional to 116,326.76, 174,576.98 and 86,410.07 is: 129,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,326.76 : 174,576.98 = 86,410.07 : x
  2. Step 2: Convert to fraction form
    116,326.76/174,576.98 = 86,410.07/x
  3. Step 3: Cross multiply
    116,326.76x = 174,576.98 × 86,410.07
  4. Step 4: Simplify right side
    116,326.76x = 15,085,209,714.66
  5. Step 5: Solve for x
    x = 15,085,209,714.66/116,326.76
  6. Step 6: Final answer
    x = 129,679.62

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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.