Home / 163,614.70-245,422.05-162,577.90

Finding the Fourth Proportional to 163,614.70, 245,422.05 and 162,577.90

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Solution

The fourth proportional to 163,614.70, 245,422.05 and 162,577.90 is: 243,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,614.70 : 245,422.05 = 162,577.90 : x
  2. Step 2: Convert to fraction form
    163,614.70/245,422.05 = 162,577.90/x
  3. Step 3: Cross multiply
    163,614.70x = 245,422.05 × 162,577.90
  4. Step 4: Simplify right side
    163,614.70x = 39,900,201,502.70
  5. Step 5: Solve for x
    x = 39,900,201,502.70/163,614.70
  6. Step 6: Final answer
    x = 243,866.85

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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.