Home / 156,301.60-234,314.16-73,173.28

Finding the Fourth Proportional to 156,301.60, 234,314.16 and 73,173.28

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Solution

The fourth proportional to 156,301.60, 234,314.16 and 73,173.28 is: 109,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,301.60 : 234,314.16 = 73,173.28 : x
  2. Step 2: Convert to fraction form
    156,301.60/234,314.16 = 73,173.28/x
  3. Step 3: Cross multiply
    156,301.60x = 234,314.16 × 73,173.28
  4. Step 4: Simplify right side
    156,301.60x = 17,145,535,637.64
  5. Step 5: Solve for x
    x = 17,145,535,637.64/156,301.60
  6. Step 6: Final answer
    x = 109,695.20

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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.