Home / 131,017.25-180,810.23-73,674.63

Finding the Fourth Proportional to 131,017.25, 180,810.23 and 73,674.63

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Solution

The fourth proportional to 131,017.25, 180,810.23 and 73,674.63 is: 101,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,017.25 : 180,810.23 = 73,674.63 : x
  2. Step 2: Convert to fraction form
    131,017.25/180,810.23 = 73,674.63/x
  3. Step 3: Cross multiply
    131,017.25x = 180,810.23 × 73,674.63
  4. Step 4: Simplify right side
    131,017.25x = 13,321,126,427.09
  5. Step 5: Solve for x
    x = 13,321,126,427.09/131,017.25
  6. Step 6: Final answer
    x = 101,674.60

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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.