Home / 103,473.08-155,210.70-82,827.80

Finding the Fourth Proportional to 103,473.08, 155,210.70 and 82,827.80

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Solution

The fourth proportional to 103,473.08, 155,210.70 and 82,827.80 is: 124,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,473.08 : 155,210.70 = 82,827.80 : x
  2. Step 2: Convert to fraction form
    103,473.08/155,210.70 = 82,827.80/x
  3. Step 3: Cross multiply
    103,473.08x = 155,210.70 × 82,827.80
  4. Step 4: Simplify right side
    103,473.08x = 12,855,760,817.46
  5. Step 5: Solve for x
    x = 12,855,760,817.46/103,473.08
  6. Step 6: Final answer
    x = 124,242.56

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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.