Home / 119,386.37-164,765.26-68,405.86

Finding the Fourth Proportional to 119,386.37, 164,765.26 and 68,405.86

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Solution

The fourth proportional to 119,386.37, 164,765.26 and 68,405.86 is: 94,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,386.37 : 164,765.26 = 68,405.86 : x
  2. Step 2: Convert to fraction form
    119,386.37/164,765.26 = 68,405.86/x
  3. Step 3: Cross multiply
    119,386.37x = 164,765.26 × 68,405.86
  4. Step 4: Simplify right side
    119,386.37x = 11,270,909,308.42
  5. Step 5: Solve for x
    x = 11,270,909,308.42/119,386.37
  6. Step 6: Final answer
    x = 94,407.00

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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.