Home / 161,567.15-222,817.52-101,143.31

Finding the Fourth Proportional to 161,567.15, 222,817.52 and 101,143.31

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Solution

The fourth proportional to 161,567.15, 222,817.52 and 101,143.31 is: 139,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,567.15 : 222,817.52 = 101,143.31 : x
  2. Step 2: Convert to fraction form
    161,567.15/222,817.52 = 101,143.31/x
  3. Step 3: Cross multiply
    161,567.15x = 222,817.52 × 101,143.31
  4. Step 4: Simplify right side
    161,567.15x = 22,536,500,637.56
  5. Step 5: Solve for x
    x = 22,536,500,637.56/161,567.15
  6. Step 6: Final answer
    x = 139,486.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.