Home / 105,973.67-146,243.63-58,230.09

Finding the Fourth Proportional to 105,973.67, 146,243.63 and 58,230.09

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Solution

The fourth proportional to 105,973.67, 146,243.63 and 58,230.09 is: 80,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,973.67 : 146,243.63 = 58,230.09 : x
  2. Step 2: Convert to fraction form
    105,973.67/146,243.63 = 58,230.09/x
  3. Step 3: Cross multiply
    105,973.67x = 146,243.63 × 58,230.09
  4. Step 4: Simplify right side
    105,973.67x = 8,515,779,554.86
  5. Step 5: Solve for x
    x = 8,515,779,554.86/105,973.67
  6. Step 6: Final answer
    x = 80,357.51

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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.