Home / 103,622.60-155,433.90-95,673.80

Finding the Fourth Proportional to 103,622.60, 155,433.90 and 95,673.80

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Solution

The fourth proportional to 103,622.60, 155,433.90 and 95,673.80 is: 143,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.60 : 155,433.90 = 95,673.80 : x
  2. Step 2: Convert to fraction form
    103,622.60/155,433.90 = 95,673.80/x
  3. Step 3: Cross multiply
    103,622.60x = 155,433.90 × 95,673.80
  4. Step 4: Simplify right side
    103,622.60x = 14,870,951,861.82
  5. Step 5: Solve for x
    x = 14,870,951,861.82/103,622.60
  6. Step 6: Final answer
    x = 143,510.70

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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.