Home / 305,035.68-457,614.72-105,363.36

Finding the Fourth Proportional to 305,035.68, 457,614.72 and 105,363.36

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Solution

The fourth proportional to 305,035.68, 457,614.72 and 105,363.36 is: 158,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,035.68 : 457,614.72 = 105,363.36 : x
  2. Step 2: Convert to fraction form
    305,035.68/457,614.72 = 105,363.36/x
  3. Step 3: Cross multiply
    305,035.68x = 457,614.72 × 105,363.36
  4. Step 4: Simplify right side
    305,035.68x = 48,215,824,484.66
  5. Step 5: Solve for x
    x = 48,215,824,484.66/305,035.68
  6. Step 6: Final answer
    x = 158,066.18

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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.