Home / 156,627.80-234,941.70-51,457.40

Finding the Fourth Proportional to 156,627.80, 234,941.70 and 51,457.40

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Solution

The fourth proportional to 156,627.80, 234,941.70 and 51,457.40 is: 77,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.80 : 234,941.70 = 51,457.40 : x
  2. Step 2: Convert to fraction form
    156,627.80/234,941.70 = 51,457.40/x
  3. Step 3: Cross multiply
    156,627.80x = 234,941.70 × 51,457.40
  4. Step 4: Simplify right side
    156,627.80x = 12,089,489,033.58
  5. Step 5: Solve for x
    x = 12,089,489,033.58/156,627.80
  6. Step 6: Final answer
    x = 77,186.10

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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.