Home / 130,576.32-195,860.16-56,704.32

Finding the Fourth Proportional to 130,576.32, 195,860.16 and 56,704.32

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Solution

The fourth proportional to 130,576.32, 195,860.16 and 56,704.32 is: 85,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,576.32 : 195,860.16 = 56,704.32 : x
  2. Step 2: Convert to fraction form
    130,576.32/195,860.16 = 56,704.32/x
  3. Step 3: Cross multiply
    130,576.32x = 195,860.16 × 56,704.32
  4. Step 4: Simplify right side
    130,576.32x = 11,106,117,187.89
  5. Step 5: Solve for x
    x = 11,106,117,187.89/130,576.32
  6. Step 6: Final answer
    x = 85,054.60

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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.