Home / 142,226.17-196,263.98-84,930.14

Finding the Fourth Proportional to 142,226.17, 196,263.98 and 84,930.14

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Solution

The fourth proportional to 142,226.17, 196,263.98 and 84,930.14 is: 117,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,226.17 : 196,263.98 = 84,930.14 : x
  2. Step 2: Convert to fraction form
    142,226.17/196,263.98 = 84,930.14/x
  3. Step 3: Cross multiply
    142,226.17x = 196,263.98 × 84,930.14
  4. Step 4: Simplify right side
    142,226.17x = 16,668,727,682.85
  5. Step 5: Solve for x
    x = 16,668,727,682.85/142,226.17
  6. Step 6: Final answer
    x = 117,198.74

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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.