Home / 104,150.49-143,727.45-56,403.69

Finding the Fourth Proportional to 104,150.49, 143,727.45 and 56,403.69

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Solution

The fourth proportional to 104,150.49, 143,727.45 and 56,403.69 is: 77,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.49 : 143,727.45 = 56,403.69 : x
  2. Step 2: Convert to fraction form
    104,150.49/143,727.45 = 56,403.69/x
  3. Step 3: Cross multiply
    104,150.49x = 143,727.45 × 56,403.69
  4. Step 4: Simplify right side
    104,150.49x = 8,106,758,534.29
  5. Step 5: Solve for x
    x = 8,106,758,534.29/104,150.49
  6. Step 6: Final answer
    x = 77,836.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.