Home / 104,421.18-156,631.76-25,534.46

Finding the Fourth Proportional to 104,421.18, 156,631.76 and 25,534.46

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Solution

The fourth proportional to 104,421.18, 156,631.76 and 25,534.46 is: 38,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.18 : 156,631.76 = 25,534.46 : x
  2. Step 2: Convert to fraction form
    104,421.18/156,631.76 = 25,534.46/x
  3. Step 3: Cross multiply
    104,421.18x = 156,631.76 × 25,534.46
  4. Step 4: Simplify right side
    104,421.18x = 3,999,507,410.45
  5. Step 5: Solve for x
    x = 3,999,507,410.45/104,421.18
  6. Step 6: Final answer
    x = 38,301.69

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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.