Home / 156,252.48-215,615.43-91,714.74

Finding the Fourth Proportional to 156,252.48, 215,615.43 and 91,714.74

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Solution

The fourth proportional to 156,252.48, 215,615.43 and 91,714.74 is: 126,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,252.48 : 215,615.43 = 91,714.74 : x
  2. Step 2: Convert to fraction form
    156,252.48/215,615.43 = 91,714.74/x
  3. Step 3: Cross multiply
    156,252.48x = 215,615.43 × 91,714.74
  4. Step 4: Simplify right side
    156,252.48x = 19,775,113,102.44
  5. Step 5: Solve for x
    x = 19,775,113,102.44/156,252.48
  6. Step 6: Final answer
    x = 126,558.72

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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.