Home / 103,003.12-153,732.40-96,277.12

Finding the Fourth Proportional to 103,003.12, 153,732.40 and 96,277.12

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Solution

The fourth proportional to 103,003.12, 153,732.40 and 96,277.12 is: 143,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,003.12 : 153,732.40 = 96,277.12 : x
  2. Step 2: Convert to fraction form
    103,003.12/153,732.40 = 96,277.12/x
  3. Step 3: Cross multiply
    103,003.12x = 153,732.40 × 96,277.12
  4. Step 4: Simplify right side
    103,003.12x = 14,800,912,722.69
  5. Step 5: Solve for x
    x = 14,800,912,722.69/103,003.12
  6. Step 6: Final answer
    x = 143,693.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.