Home / 131,903.44-182,018.10-84,151.69

Finding the Fourth Proportional to 131,903.44, 182,018.10 and 84,151.69

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Solution

The fourth proportional to 131,903.44, 182,018.10 and 84,151.69 is: 116,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,903.44 : 182,018.10 = 84,151.69 : x
  2. Step 2: Convert to fraction form
    131,903.44/182,018.10 = 84,151.69/x
  3. Step 3: Cross multiply
    131,903.44x = 182,018.10 × 84,151.69
  4. Step 4: Simplify right side
    131,903.44x = 15,317,130,725.59
  5. Step 5: Solve for x
    x = 15,317,130,725.59/131,903.44
  6. Step 6: Final answer
    x = 116,123.82

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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.