Home / 178,733.12-268,099.53-45,613.40

Finding the Fourth Proportional to 178,733.12, 268,099.53 and 45,613.40

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Solution

The fourth proportional to 178,733.12, 268,099.53 and 45,613.40 is: 68,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733.12 : 268,099.53 = 45,613.40 : x
  2. Step 2: Convert to fraction form
    178,733.12/268,099.53 = 45,613.40/x
  3. Step 3: Cross multiply
    178,733.12x = 268,099.53 × 45,613.40
  4. Step 4: Simplify right side
    178,733.12x = 12,228,931,101.70
  5. Step 5: Solve for x
    x = 12,228,931,101.70/178,733.12
  6. Step 6: Final answer
    x = 68,420.06

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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.