Home / 142,090.83-212,933.07-104,354.82

Finding the Fourth Proportional to 142,090.83, 212,933.07 and 104,354.82

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Solution

The fourth proportional to 142,090.83, 212,933.07 and 104,354.82 is: 156,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,090.83 : 212,933.07 = 104,354.82 : x
  2. Step 2: Convert to fraction form
    142,090.83/212,933.07 = 104,354.82/x
  3. Step 3: Cross multiply
    142,090.83x = 212,933.07 × 104,354.82
  4. Step 4: Simplify right side
    142,090.83x = 22,220,592,191.90
  5. Step 5: Solve for x
    x = 22,220,592,191.90/142,090.83
  6. Step 6: Final answer
    x = 156,383.01

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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.