Home / 119,513.68-164,573.16-116,861.60

Finding the Fourth Proportional to 119,513.68, 164,573.16 and 116,861.60

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Solution

The fourth proportional to 119,513.68, 164,573.16 and 116,861.60 is: 160,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,513.68 : 164,573.16 = 116,861.60 : x
  2. Step 2: Convert to fraction form
    119,513.68/164,573.16 = 116,861.60/x
  3. Step 3: Cross multiply
    119,513.68x = 164,573.16 × 116,861.60
  4. Step 4: Simplify right side
    119,513.68x = 19,232,282,794.66
  5. Step 5: Solve for x
    x = 19,232,282,794.66/119,513.68
  6. Step 6: Final answer
    x = 160,921.18

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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.