Home / 112,436.80-168,769.32-56,317.12

Finding the Fourth Proportional to 112,436.80, 168,769.32 and 56,317.12

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Solution

The fourth proportional to 112,436.80, 168,769.32 and 56,317.12 is: 84,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,436.80 : 168,769.32 = 56,317.12 : x
  2. Step 2: Convert to fraction form
    112,436.80/168,769.32 = 56,317.12/x
  3. Step 3: Cross multiply
    112,436.80x = 168,769.32 × 56,317.12
  4. Step 4: Simplify right side
    112,436.80x = 9,504,602,046.76
  5. Step 5: Solve for x
    x = 9,504,602,046.76/112,436.80
  6. Step 6: Final answer
    x = 84,532.84

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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.