Home / 103,623.10-155,434.65-95,749.90

Finding the Fourth Proportional to 103,623.10, 155,434.65 and 95,749.90

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Solution

The fourth proportional to 103,623.10, 155,434.65 and 95,749.90 is: 143,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.10 : 155,434.65 = 95,749.90 : x
  2. Step 2: Convert to fraction form
    103,623.10/155,434.65 = 95,749.90/x
  3. Step 3: Cross multiply
    103,623.10x = 155,434.65 × 95,749.90
  4. Step 4: Simplify right side
    103,623.10x = 14,882,852,194.04
  5. Step 5: Solve for x
    x = 14,882,852,194.04/103,623.10
  6. Step 6: Final answer
    x = 143,624.85

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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.