Home / 156,483.24-234,810-66,511.86

Finding the Fourth Proportional to 156,483.24, 234,810 and 66,511.86

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Solution

The fourth proportional to 156,483.24, 234,810 and 66,511.86 is: 99,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,483.24 : 234,810 = 66,511.86 : x
  2. Step 2: Convert to fraction form
    156,483.24/234,810 = 66,511.86/x
  3. Step 3: Cross multiply
    156,483.24x = 234,810 × 66,511.86
  4. Step 4: Simplify right side
    156,483.24x = 15,617,649,846.60
  5. Step 5: Solve for x
    x = 15,617,649,846.60/156,483.24
  6. Step 6: Final answer
    x = 99,803.98

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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.