Home / 112,322.32-168,400.24-53,088.78

Finding the Fourth Proportional to 112,322.32, 168,400.24 and 53,088.78

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Solution

The fourth proportional to 112,322.32, 168,400.24 and 53,088.78 is: 79,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,322.32 : 168,400.24 = 53,088.78 : x
  2. Step 2: Convert to fraction form
    112,322.32/168,400.24 = 53,088.78/x
  3. Step 3: Cross multiply
    112,322.32x = 168,400.24 × 53,088.78
  4. Step 4: Simplify right side
    112,322.32x = 8,940,163,293.31
  5. Step 5: Solve for x
    x = 8,940,163,293.31/112,322.32
  6. Step 6: Final answer
    x = 79,593.83

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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.