Home / 140,885.04-194,441.30-87,187.39

Finding the Fourth Proportional to 140,885.04, 194,441.30 and 87,187.39

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Solution

The fourth proportional to 140,885.04, 194,441.30 and 87,187.39 is: 120,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885.04 : 194,441.30 = 87,187.39 : x
  2. Step 2: Convert to fraction form
    140,885.04/194,441.30 = 87,187.39/x
  3. Step 3: Cross multiply
    140,885.04x = 194,441.30 × 87,187.39
  4. Step 4: Simplify right side
    140,885.04x = 16,952,829,455.21
  5. Step 5: Solve for x
    x = 16,952,829,455.21/140,885.04
  6. Step 6: Final answer
    x = 120,330.94

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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.