Home / 409,848.12-614,813.19-125,535.38

Finding the Fourth Proportional to 409,848.12, 614,813.19 and 125,535.38

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Solution

The fourth proportional to 409,848.12, 614,813.19 and 125,535.38 is: 188,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,848.12 : 614,813.19 = 125,535.38 : x
  2. Step 2: Convert to fraction form
    409,848.12/614,813.19 = 125,535.38/x
  3. Step 3: Cross multiply
    409,848.12x = 614,813.19 × 125,535.38
  4. Step 4: Simplify right side
    409,848.12x = 77,180,808,972.70
  5. Step 5: Solve for x
    x = 77,180,808,972.70/409,848.12
  6. Step 6: Final answer
    x = 188,315.64

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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.