Home / 112,400.39-168,683.81-53,236.24

Finding the Fourth Proportional to 112,400.39, 168,683.81 and 53,236.24

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Solution

The fourth proportional to 112,400.39, 168,683.81 and 53,236.24 is: 79,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400.39 : 168,683.81 = 53,236.24 : x
  2. Step 2: Convert to fraction form
    112,400.39/168,683.81 = 53,236.24/x
  3. Step 3: Cross multiply
    112,400.39x = 168,683.81 × 53,236.24
  4. Step 4: Simplify right side
    112,400.39x = 8,980,090,789.10
  5. Step 5: Solve for x
    x = 8,980,090,789.10/112,400.39
  6. Step 6: Final answer
    x = 79,893.77

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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.