Home / 142,676.40-214,102.08-63,857.28

Finding the Fourth Proportional to 142,676.40, 214,102.08 and 63,857.28

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Solution

The fourth proportional to 142,676.40, 214,102.08 and 63,857.28 is: 95,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,676.40 : 214,102.08 = 63,857.28 : x
  2. Step 2: Convert to fraction form
    142,676.40/214,102.08 = 63,857.28/x
  3. Step 3: Cross multiply
    142,676.40x = 214,102.08 × 63,857.28
  4. Step 4: Simplify right side
    142,676.40x = 13,671,976,471.14
  5. Step 5: Solve for x
    x = 13,671,976,471.14/142,676.40
  6. Step 6: Final answer
    x = 95,825.07

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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.