Home / 134,384.67-185,388.53-80,576.16

Finding the Fourth Proportional to 134,384.67, 185,388.53 and 80,576.16

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Solution

The fourth proportional to 134,384.67, 185,388.53 and 80,576.16 is: 111,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,384.67 : 185,388.53 = 80,576.16 : x
  2. Step 2: Convert to fraction form
    134,384.67/185,388.53 = 80,576.16/x
  3. Step 3: Cross multiply
    134,384.67x = 185,388.53 × 80,576.16
  4. Step 4: Simplify right side
    134,384.67x = 14,937,895,855.44
  5. Step 5: Solve for x
    x = 14,937,895,855.44/134,384.67
  6. Step 6: Final answer
    x = 111,157.74

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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.