Home / 170,335.44-255,729.24-145,534.86

Finding the Fourth Proportional to 170,335.44, 255,729.24 and 145,534.86

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Solution

The fourth proportional to 170,335.44, 255,729.24 and 145,534.86 is: 218,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,335.44 : 255,729.24 = 145,534.86 : x
  2. Step 2: Convert to fraction form
    170,335.44/255,729.24 = 145,534.86/x
  3. Step 3: Cross multiply
    170,335.44x = 255,729.24 × 145,534.86
  4. Step 4: Simplify right side
    170,335.44x = 37,217,519,141.31
  5. Step 5: Solve for x
    x = 37,217,519,141.31/170,335.44
  6. Step 6: Final answer
    x = 218,495.45

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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.