Home / 163,624.20-245,436.30-161,291.40

Finding the Fourth Proportional to 163,624.20, 245,436.30 and 161,291.40

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Solution

The fourth proportional to 163,624.20, 245,436.30 and 161,291.40 is: 241,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,624.20 : 245,436.30 = 161,291.40 : x
  2. Step 2: Convert to fraction form
    163,624.20/245,436.30 = 161,291.40/x
  3. Step 3: Cross multiply
    163,624.20x = 245,436.30 × 161,291.40
  4. Step 4: Simplify right side
    163,624.20x = 39,586,764,437.82
  5. Step 5: Solve for x
    x = 39,586,764,437.82/163,624.20
  6. Step 6: Final answer
    x = 241,937.10

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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.