Home / 106,678.32-147,218.21-58,933.37

Finding the Fourth Proportional to 106,678.32, 147,218.21 and 58,933.37

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Solution

The fourth proportional to 106,678.32, 147,218.21 and 58,933.37 is: 81,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,678.32 : 147,218.21 = 58,933.37 : x
  2. Step 2: Convert to fraction form
    106,678.32/147,218.21 = 58,933.37/x
  3. Step 3: Cross multiply
    106,678.32x = 147,218.21 × 58,933.37
  4. Step 4: Simplify right side
    106,678.32x = 8,676,065,535.05
  5. Step 5: Solve for x
    x = 8,676,065,535.05/106,678.32
  6. Step 6: Final answer
    x = 81,329.23

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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.