Home / 358,438.50-537,657.08-105,896.38

Finding the Fourth Proportional to 358,438.50, 537,657.08 and 105,896.38

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Solution

The fourth proportional to 358,438.50, 537,657.08 and 105,896.38 is: 158,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,438.50 : 537,657.08 = 105,896.38 : x
  2. Step 2: Convert to fraction form
    358,438.50/537,657.08 = 105,896.38/x
  3. Step 3: Cross multiply
    358,438.50x = 537,657.08 × 105,896.38
  4. Step 4: Simplify right side
    358,438.50x = 56,935,938,453.37
  5. Step 5: Solve for x
    x = 56,935,938,453.37/358,438.50
  6. Step 6: Final answer
    x = 158,844.37

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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.