Home / 146,867.64-202,676.76-86,437.86

Finding the Fourth Proportional to 146,867.64, 202,676.76 and 86,437.86

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Solution

The fourth proportional to 146,867.64, 202,676.76 and 86,437.86 is: 119,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,867.64 : 202,676.76 = 86,437.86 : x
  2. Step 2: Convert to fraction form
    146,867.64/202,676.76 = 86,437.86/x
  3. Step 3: Cross multiply
    146,867.64x = 202,676.76 × 86,437.86
  4. Step 4: Simplify right side
    146,867.64x = 17,518,945,406.13
  5. Step 5: Solve for x
    x = 17,518,945,406.13/146,867.64
  6. Step 6: Final answer
    x = 119,283.90

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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.