Home / 231,359.40-347,075.55-73,603.80

Finding the Fourth Proportional to 231,359.40, 347,075.55 and 73,603.80

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Solution

The fourth proportional to 231,359.40, 347,075.55 and 73,603.80 is: 110,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,359.40 : 347,075.55 = 73,603.80 : x
  2. Step 2: Convert to fraction form
    231,359.40/347,075.55 = 73,603.80/x
  3. Step 3: Cross multiply
    231,359.40x = 347,075.55 × 73,603.80
  4. Step 4: Simplify right side
    231,359.40x = 25,546,079,367.09
  5. Step 5: Solve for x
    x = 25,546,079,367.09/231,359.40
  6. Step 6: Final answer
    x = 110,417.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.