Home / 136,428.02-186,907.26-131,314.50

Finding the Fourth Proportional to 136,428.02, 186,907.26 and 131,314.50

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Solution

The fourth proportional to 136,428.02, 186,907.26 and 131,314.50 is: 179,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,428.02 : 186,907.26 = 131,314.50 : x
  2. Step 2: Convert to fraction form
    136,428.02/186,907.26 = 131,314.50/x
  3. Step 3: Cross multiply
    136,428.02x = 186,907.26 × 131,314.50
  4. Step 4: Simplify right side
    136,428.02x = 24,543,633,393.27
  5. Step 5: Solve for x
    x = 24,543,633,393.27/136,428.02
  6. Step 6: Final answer
    x = 179,901.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.