Home / 156,985.44-235,477.80-38,658.48

Finding the Fourth Proportional to 156,985.44, 235,477.80 and 38,658.48

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Solution

The fourth proportional to 156,985.44, 235,477.80 and 38,658.48 is: 57,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.44 : 235,477.80 = 38,658.48 : x
  2. Step 2: Convert to fraction form
    156,985.44/235,477.80 = 38,658.48/x
  3. Step 3: Cross multiply
    156,985.44x = 235,477.80 × 38,658.48
  4. Step 4: Simplify right side
    156,985.44x = 9,103,213,821.74
  5. Step 5: Solve for x
    x = 9,103,213,821.74/156,985.44
  6. Step 6: Final answer
    x = 57,987.63

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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.