Home / 185,154.28-255,538.34-113,521.64

Finding the Fourth Proportional to 185,154.28, 255,538.34 and 113,521.64

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Solution

The fourth proportional to 185,154.28, 255,538.34 and 113,521.64 is: 156,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,154.28 : 255,538.34 = 113,521.64 : x
  2. Step 2: Convert to fraction form
    185,154.28/255,538.34 = 113,521.64/x
  3. Step 3: Cross multiply
    185,154.28x = 255,538.34 × 113,521.64
  4. Step 4: Simplify right side
    185,154.28x = 29,009,131,439.68
  5. Step 5: Solve for x
    x = 29,009,131,439.68/185,154.28
  6. Step 6: Final answer
    x = 156,675.46

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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.