Home / 117,907.20-162,714.88-64,195.16

Finding the Fourth Proportional to 117,907.20, 162,714.88 and 64,195.16

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Solution

The fourth proportional to 117,907.20, 162,714.88 and 64,195.16 is: 88,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,907.20 : 162,714.88 = 64,195.16 : x
  2. Step 2: Convert to fraction form
    117,907.20/162,714.88 = 64,195.16/x
  3. Step 3: Cross multiply
    117,907.20x = 162,714.88 × 64,195.16
  4. Step 4: Simplify right side
    117,907.20x = 10,445,507,755.98
  5. Step 5: Solve for x
    x = 10,445,507,755.98/117,907.20
  6. Step 6: Final answer
    x = 88,590.92

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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.