Home / 151,583.92-209,197.68-83,607.04

Finding the Fourth Proportional to 151,583.92, 209,197.68 and 83,607.04

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Solution

The fourth proportional to 151,583.92, 209,197.68 and 83,607.04 is: 115,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,583.92 : 209,197.68 = 83,607.04 : x
  2. Step 2: Convert to fraction form
    151,583.92/209,197.68 = 83,607.04/x
  3. Step 3: Cross multiply
    151,583.92x = 209,197.68 × 83,607.04
  4. Step 4: Simplify right side
    151,583.92x = 17,490,398,799.67
  5. Step 5: Solve for x
    x = 17,490,398,799.67/151,583.92
  6. Step 6: Final answer
    x = 115,384.26

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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.