Home / 151,165.49-208,607.95-83,186.86

Finding the Fourth Proportional to 151,165.49, 208,607.95 and 83,186.86

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Solution

The fourth proportional to 151,165.49, 208,607.95 and 83,186.86 is: 114,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,165.49 : 208,607.95 = 83,186.86 : x
  2. Step 2: Convert to fraction form
    151,165.49/208,607.95 = 83,186.86/x
  3. Step 3: Cross multiply
    151,165.49x = 208,607.95 × 83,186.86
  4. Step 4: Simplify right side
    151,165.49x = 17,353,440,331.54
  5. Step 5: Solve for x
    x = 17,353,440,331.54/151,165.49
  6. Step 6: Final answer
    x = 114,797.63

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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.