Home / 156,656.96-234,987.36-45,851.20

Finding the Fourth Proportional to 156,656.96, 234,987.36 and 45,851.20

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Solution

The fourth proportional to 156,656.96, 234,987.36 and 45,851.20 is: 68,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,656.96 : 234,987.36 = 45,851.20 : x
  2. Step 2: Convert to fraction form
    156,656.96/234,987.36 = 45,851.20/x
  3. Step 3: Cross multiply
    156,656.96x = 234,987.36 × 45,851.20
  4. Step 4: Simplify right side
    156,656.96x = 10,774,452,440.83
  5. Step 5: Solve for x
    x = 10,774,452,440.83/156,656.96
  6. Step 6: Final answer
    x = 68,777.36

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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.