Home / 156,780.60-234,782.10-125,676.60

Finding the Fourth Proportional to 156,780.60, 234,782.10 and 125,676.60

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Solution

The fourth proportional to 156,780.60, 234,782.10 and 125,676.60 is: 188,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780.60 : 234,782.10 = 125,676.60 : x
  2. Step 2: Convert to fraction form
    156,780.60/234,782.10 = 125,676.60/x
  3. Step 3: Cross multiply
    156,780.60x = 234,782.10 × 125,676.60
  4. Step 4: Simplify right side
    156,780.60x = 29,506,616,068.86
  5. Step 5: Solve for x
    x = 29,506,616,068.86/156,780.60
  6. Step 6: Final answer
    x = 188,203.23

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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.