Home / 156,431.02-234,690.26-51,323.80

Finding the Fourth Proportional to 156,431.02, 234,690.26 and 51,323.80

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Solution

The fourth proportional to 156,431.02, 234,690.26 and 51,323.80 is: 77,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,431.02 : 234,690.26 = 51,323.80 : x
  2. Step 2: Convert to fraction form
    156,431.02/234,690.26 = 51,323.80/x
  3. Step 3: Cross multiply
    156,431.02x = 234,690.26 × 51,323.80
  4. Step 4: Simplify right side
    156,431.02x = 12,045,195,966.19
  5. Step 5: Solve for x
    x = 12,045,195,966.19/156,431.02
  6. Step 6: Final answer
    x = 77,000.05

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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.