Home / 137,885.76-190,369.44-95,428.80

Finding the Fourth Proportional to 137,885.76, 190,369.44 and 95,428.80

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Solution

The fourth proportional to 137,885.76, 190,369.44 and 95,428.80 is: 131,752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,885.76 : 190,369.44 = 95,428.80 : x
  2. Step 2: Convert to fraction form
    137,885.76/190,369.44 = 95,428.80/x
  3. Step 3: Cross multiply
    137,885.76x = 190,369.44 × 95,428.80
  4. Step 4: Simplify right side
    137,885.76x = 18,166,727,215.87
  5. Step 5: Solve for x
    x = 18,166,727,215.87/137,885.76
  6. Step 6: Final answer
    x = 131,752.02

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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.