Home / 479,856.17-719,710.45-160,013.61

Finding the Fourth Proportional to 479,856.17, 719,710.45 and 160,013.61

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Solution

The fourth proportional to 479,856.17, 719,710.45 and 160,013.61 is: 239,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,856.17 : 719,710.45 = 160,013.61 : x
  2. Step 2: Convert to fraction form
    479,856.17/719,710.45 = 160,013.61/x
  3. Step 3: Cross multiply
    479,856.17x = 719,710.45 × 160,013.61
  4. Step 4: Simplify right side
    479,856.17x = 115,163,466,859.19
  5. Step 5: Solve for x
    x = 115,163,466,859.19/479,856.17
  6. Step 6: Final answer
    x = 239,995.80

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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.