Home / 112,434.80-168,766.32-56,315.12

Finding the Fourth Proportional to 112,434.80, 168,766.32 and 56,315.12

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Solution

The fourth proportional to 112,434.80, 168,766.32 and 56,315.12 is: 84,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,434.80 : 168,766.32 = 56,315.12 : x
  2. Step 2: Convert to fraction form
    112,434.80/168,766.32 = 56,315.12/x
  3. Step 3: Cross multiply
    112,434.80x = 168,766.32 × 56,315.12
  4. Step 4: Simplify right side
    112,434.80x = 9,504,095,562.76
  5. Step 5: Solve for x
    x = 9,504,095,562.76/112,434.80
  6. Step 6: Final answer
    x = 84,529.84

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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.