Home / 130,679.32-196,014.66-56,807.32

Finding the Fourth Proportional to 130,679.32, 196,014.66 and 56,807.32

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Solution

The fourth proportional to 130,679.32, 196,014.66 and 56,807.32 is: 85,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,679.32 : 196,014.66 = 56,807.32 : x
  2. Step 2: Convert to fraction form
    130,679.32/196,014.66 = 56,807.32/x
  3. Step 3: Cross multiply
    130,679.32x = 196,014.66 × 56,807.32
  4. Step 4: Simplify right side
    130,679.32x = 11,135,067,515.31
  5. Step 5: Solve for x
    x = 11,135,067,515.31/130,679.32
  6. Step 6: Final answer
    x = 85,209.10

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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.