Home / 333,723.15-500,639.31-109,018.35

Finding the Fourth Proportional to 333,723.15, 500,639.31 and 109,018.35

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Solution

The fourth proportional to 333,723.15, 500,639.31 and 109,018.35 is: 163,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,723.15 : 500,639.31 = 109,018.35 : x
  2. Step 2: Convert to fraction form
    333,723.15/500,639.31 = 109,018.35/x
  3. Step 3: Cross multiply
    333,723.15x = 500,639.31 × 109,018.35
  4. Step 4: Simplify right side
    333,723.15x = 54,578,871,521.34
  5. Step 5: Solve for x
    x = 54,578,871,521.34/333,723.15
  6. Step 6: Final answer
    x = 163,545.36

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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.