Home / 151,180.13-208,628.62-83,197.11

Finding the Fourth Proportional to 151,180.13, 208,628.62 and 83,197.11

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Solution

The fourth proportional to 151,180.13, 208,628.62 and 83,197.11 is: 114,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,180.13 : 208,628.62 = 83,197.11 : x
  2. Step 2: Convert to fraction form
    151,180.13/208,628.62 = 83,197.11/x
  3. Step 3: Cross multiply
    151,180.13x = 208,628.62 × 83,197.11
  4. Step 4: Simplify right side
    151,180.13x = 17,357,298,247.29
  5. Step 5: Solve for x
    x = 17,357,298,247.29/151,180.13
  6. Step 6: Final answer
    x = 114,812.03

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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.