Home / 112,398.10-168,451.81-84,096.10

Finding the Fourth Proportional to 112,398.10, 168,451.81 and 84,096.10

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Solution

The fourth proportional to 112,398.10, 168,451.81 and 84,096.10 is: 126,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,398.10 : 168,451.81 = 84,096.10 : x
  2. Step 2: Convert to fraction form
    112,398.10/168,451.81 = 84,096.10/x
  3. Step 3: Cross multiply
    112,398.10x = 168,451.81 × 84,096.10
  4. Step 4: Simplify right side
    112,398.10x = 14,166,139,626.92
  5. Step 5: Solve for x
    x = 14,166,139,626.92/112,398.10
  6. Step 6: Final answer
    x = 126,035.40

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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.