Home / 156,987.90-235,481.85-155,511.68

Finding the Fourth Proportional to 156,987.90, 235,481.85 and 155,511.68

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Solution

The fourth proportional to 156,987.90, 235,481.85 and 155,511.68 is: 233,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.90 : 235,481.85 = 155,511.68 : x
  2. Step 2: Convert to fraction form
    156,987.90/235,481.85 = 155,511.68/x
  3. Step 3: Cross multiply
    156,987.90x = 235,481.85 × 155,511.68
  4. Step 4: Simplify right side
    156,987.90x = 36,620,178,103.01
  5. Step 5: Solve for x
    x = 36,620,178,103.01/156,987.90
  6. Step 6: Final answer
    x = 233,267.52

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1.5x scale

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.