Home / 163,564.20-245,346.30-162,527.40

Finding the Fourth Proportional to 163,564.20, 245,346.30 and 162,527.40

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Solution

The fourth proportional to 163,564.20, 245,346.30 and 162,527.40 is: 243,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,564.20 : 245,346.30 = 162,527.40 : x
  2. Step 2: Convert to fraction form
    163,564.20/245,346.30 = 162,527.40/x
  3. Step 3: Cross multiply
    163,564.20x = 245,346.30 × 162,527.40
  4. Step 4: Simplify right side
    163,564.20x = 39,875,496,238.62
  5. Step 5: Solve for x
    x = 39,875,496,238.62/163,564.20
  6. Step 6: Final answer
    x = 243,791.10

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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.