Home / 119,041.85-164,272.35-65,325.79

Finding the Fourth Proportional to 119,041.85, 164,272.35 and 65,325.79

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Solution

The fourth proportional to 119,041.85, 164,272.35 and 65,325.79 is: 90,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,041.85 : 164,272.35 = 65,325.79 : x
  2. Step 2: Convert to fraction form
    119,041.85/164,272.35 = 65,325.79/x
  3. Step 3: Cross multiply
    119,041.85x = 164,272.35 × 65,325.79
  4. Step 4: Simplify right side
    119,041.85x = 10,731,221,489.22
  5. Step 5: Solve for x
    x = 10,731,221,489.22/119,041.85
  6. Step 6: Final answer
    x = 90,146.63

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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.