Home / 119,346.36-164,702.21-65,635.53

Finding the Fourth Proportional to 119,346.36, 164,702.21 and 65,635.53

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Solution

The fourth proportional to 119,346.36, 164,702.21 and 65,635.53 is: 90,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,346.36 : 164,702.21 = 65,635.53 : x
  2. Step 2: Convert to fraction form
    119,346.36/164,702.21 = 65,635.53/x
  3. Step 3: Cross multiply
    119,346.36x = 164,702.21 × 65,635.53
  4. Step 4: Simplify right side
    119,346.36x = 10,810,316,517.34
  5. Step 5: Solve for x
    x = 10,810,316,517.34/119,346.36
  6. Step 6: Final answer
    x = 90,579.36

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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.