Home / 112,790.28-169,186.62-46,213.32

Finding the Fourth Proportional to 112,790.28, 169,186.62 and 46,213.32

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Solution

The fourth proportional to 112,790.28, 169,186.62 and 46,213.32 is: 69,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,790.28 : 169,186.62 = 46,213.32 : x
  2. Step 2: Convert to fraction form
    112,790.28/169,186.62 = 46,213.32/x
  3. Step 3: Cross multiply
    112,790.28x = 169,186.62 × 46,213.32
  4. Step 4: Simplify right side
    112,790.28x = 7,818,675,409.78
  5. Step 5: Solve for x
    x = 7,818,675,409.78/112,790.28
  6. Step 6: Final answer
    x = 69,320.47

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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.