Home / 127,730.90-191,714.62-64,595.72

Finding the Fourth Proportional to 127,730.90, 191,714.62 and 64,595.72

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Solution

The fourth proportional to 127,730.90, 191,714.62 and 64,595.72 is: 96,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,730.90 : 191,714.62 = 64,595.72 : x
  2. Step 2: Convert to fraction form
    127,730.90/191,714.62 = 64,595.72/x
  3. Step 3: Cross multiply
    127,730.90x = 191,714.62 × 64,595.72
  4. Step 4: Simplify right side
    127,730.90x = 12,383,943,913.43
  5. Step 5: Solve for x
    x = 12,383,943,913.43/127,730.90
  6. Step 6: Final answer
    x = 96,953.39

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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.