Home / 169,782.08-234,396.96-113,380.16

Finding the Fourth Proportional to 169,782.08, 234,396.96 and 113,380.16

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Solution

The fourth proportional to 169,782.08, 234,396.96 and 113,380.16 is: 156,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,782.08 : 234,396.96 = 113,380.16 : x
  2. Step 2: Convert to fraction form
    169,782.08/234,396.96 = 113,380.16/x
  3. Step 3: Cross multiply
    169,782.08x = 234,396.96 × 113,380.16
  4. Step 4: Simplify right side
    169,782.08x = 26,575,964,828.31
  5. Step 5: Solve for x
    x = 26,575,964,828.31/169,782.08
  6. Step 6: Final answer
    x = 156,529.86

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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.