Home / 106,403.04-146,651.22-77,675.45

Finding the Fourth Proportional to 106,403.04, 146,651.22 and 77,675.45

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Solution

The fourth proportional to 106,403.04, 146,651.22 and 77,675.45 is: 107,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403.04 : 146,651.22 = 77,675.45 : x
  2. Step 2: Convert to fraction form
    106,403.04/146,651.22 = 77,675.45/x
  3. Step 3: Cross multiply
    106,403.04x = 146,651.22 × 77,675.45
  4. Step 4: Simplify right side
    106,403.04x = 11,391,198,773.29
  5. Step 5: Solve for x
    x = 11,391,198,773.29/106,403.04
  6. Step 6: Final answer
    x = 107,057.08

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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.