Home / 156,309.35-215,532.50-113,203.58

Finding the Fourth Proportional to 156,309.35, 215,532.50 and 113,203.58

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Solution

The fourth proportional to 156,309.35, 215,532.50 and 113,203.58 is: 156,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,309.35 : 215,532.50 = 113,203.58 : x
  2. Step 2: Convert to fraction form
    156,309.35/215,532.50 = 113,203.58/x
  3. Step 3: Cross multiply
    156,309.35x = 215,532.50 × 113,203.58
  4. Step 4: Simplify right side
    156,309.35x = 24,399,048,962.67
  5. Step 5: Solve for x
    x = 24,399,048,962.67/156,309.35
  6. Step 6: Final answer
    x = 156,094.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.