Home / 147,416.55-203,432.59-82,885.85

Finding the Fourth Proportional to 147,416.55, 203,432.59 and 82,885.85

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Solution

The fourth proportional to 147,416.55, 203,432.59 and 82,885.85 is: 114,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,416.55 : 203,432.59 = 82,885.85 : x
  2. Step 2: Convert to fraction form
    147,416.55/203,432.59 = 82,885.85/x
  3. Step 3: Cross multiply
    147,416.55x = 203,432.59 × 82,885.85
  4. Step 4: Simplify right side
    147,416.55x = 16,861,683,691.79
  5. Step 5: Solve for x
    x = 16,861,683,691.79/147,416.55
  6. Step 6: Final answer
    x = 114,381.21

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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.