Home / 113,628.62-156,818.58-84,898.43

Finding the Fourth Proportional to 113,628.62, 156,818.58 and 84,898.43

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Solution

The fourth proportional to 113,628.62, 156,818.58 and 84,898.43 is: 117,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,628.62 : 156,818.58 = 84,898.43 : x
  2. Step 2: Convert to fraction form
    113,628.62/156,818.58 = 84,898.43/x
  3. Step 3: Cross multiply
    113,628.62x = 156,818.58 × 84,898.43
  4. Step 4: Simplify right side
    113,628.62x = 13,313,651,199.99
  5. Step 5: Solve for x
    x = 13,313,651,199.99/113,628.62
  6. Step 6: Final answer
    x = 117,168.11

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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.