Home / 105,873.89-146,106.25-58,130.33

Finding the Fourth Proportional to 105,873.89, 146,106.25 and 58,130.33

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Solution

The fourth proportional to 105,873.89, 146,106.25 and 58,130.33 is: 80,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,873.89 : 146,106.25 = 58,130.33 : x
  2. Step 2: Convert to fraction form
    105,873.89/146,106.25 = 58,130.33/x
  3. Step 3: Cross multiply
    105,873.89x = 146,106.25 × 58,130.33
  4. Step 4: Simplify right side
    105,873.89x = 8,493,203,651.71
  5. Step 5: Solve for x
    x = 8,493,203,651.71/105,873.89
  6. Step 6: Final answer
    x = 80,220.01

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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.