Home / 119,000.55-164,175.48-75,981.63

Finding the Fourth Proportional to 119,000.55, 164,175.48 and 75,981.63

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Solution

The fourth proportional to 119,000.55, 164,175.48 and 75,981.63 is: 104,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,000.55 : 164,175.48 = 75,981.63 : x
  2. Step 2: Convert to fraction form
    119,000.55/164,175.48 = 75,981.63/x
  3. Step 3: Cross multiply
    119,000.55x = 164,175.48 × 75,981.63
  4. Step 4: Simplify right side
    119,000.55x = 12,474,320,576.43
  5. Step 5: Solve for x
    x = 12,474,320,576.43/119,000.55
  6. Step 6: Final answer
    x = 104,825.74

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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.