Home / 119,443.08-164,835.36-65,731.98

Finding the Fourth Proportional to 119,443.08, 164,835.36 and 65,731.98

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Solution

The fourth proportional to 119,443.08, 164,835.36 and 65,731.98 is: 90,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,443.08 : 164,835.36 = 65,731.98 : x
  2. Step 2: Convert to fraction form
    119,443.08/164,835.36 = 65,731.98/x
  3. Step 3: Cross multiply
    119,443.08x = 164,835.36 × 65,731.98
  4. Step 4: Simplify right side
    119,443.08x = 10,834,954,586.81
  5. Step 5: Solve for x
    x = 10,834,954,586.81/119,443.08
  6. Step 6: Final answer
    x = 90,712.28

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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.