Home / 110,820.30-166,122.45-63,386.70

Finding the Fourth Proportional to 110,820.30, 166,122.45 and 63,386.70

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Solution

The fourth proportional to 110,820.30, 166,122.45 and 63,386.70 is: 95,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,820.30 : 166,122.45 = 63,386.70 : x
  2. Step 2: Convert to fraction form
    110,820.30/166,122.45 = 63,386.70/x
  3. Step 3: Cross multiply
    110,820.30x = 166,122.45 × 63,386.70
  4. Step 4: Simplify right side
    110,820.30x = 10,529,953,901.42
  5. Step 5: Solve for x
    x = 10,529,953,901.42/110,820.30
  6. Step 6: Final answer
    x = 95,018.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.