Home / 156,987.58-235,492.17-51,880.36

Finding the Fourth Proportional to 156,987.58, 235,492.17 and 51,880.36

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Solution

The fourth proportional to 156,987.58, 235,492.17 and 51,880.36 is: 77,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.58 : 235,492.17 = 51,880.36 : x
  2. Step 2: Convert to fraction form
    156,987.58/235,492.17 = 51,880.36/x
  3. Step 3: Cross multiply
    156,987.58x = 235,492.17 × 51,880.36
  4. Step 4: Simplify right side
    156,987.58x = 12,217,418,556.78
  5. Step 5: Solve for x
    x = 12,217,418,556.78/156,987.58
  6. Step 6: Final answer
    x = 77,824.11

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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.