Home / 134,886.53-202,329.45-126,665.46

Finding the Fourth Proportional to 134,886.53, 202,329.45 and 126,665.46

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Solution

The fourth proportional to 134,886.53, 202,329.45 and 126,665.46 is: 189,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.53 : 202,329.45 = 126,665.46 : x
  2. Step 2: Convert to fraction form
    134,886.53/202,329.45 = 126,665.46/x
  3. Step 3: Cross multiply
    134,886.53x = 202,329.45 × 126,665.46
  4. Step 4: Simplify right side
    134,886.53x = 25,628,152,855.80
  5. Step 5: Solve for x
    x = 25,628,152,855.80/134,886.53
  6. Step 6: Final answer
    x = 189,997.87

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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.