Home / 174,012.20-240,133.46-101,428.68

Finding the Fourth Proportional to 174,012.20, 240,133.46 and 101,428.68

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Solution

The fourth proportional to 174,012.20, 240,133.46 and 101,428.68 is: 139,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,012.20 : 240,133.46 = 101,428.68 : x
  2. Step 2: Convert to fraction form
    174,012.20/240,133.46 = 101,428.68/x
  3. Step 3: Cross multiply
    174,012.20x = 240,133.46 × 101,428.68
  4. Step 4: Simplify right side
    174,012.20x = 24,356,419,871.63
  5. Step 5: Solve for x
    x = 24,356,419,871.63/174,012.20
  6. Step 6: Final answer
    x = 139,969.61

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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.