Home / 161,567.06-222,817.38-101,143.20

Finding the Fourth Proportional to 161,567.06, 222,817.38 and 101,143.20

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Solution

The fourth proportional to 161,567.06, 222,817.38 and 101,143.20 is: 139,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,567.06 : 222,817.38 = 101,143.20 : x
  2. Step 2: Convert to fraction form
    161,567.06/222,817.38 = 101,143.20/x
  3. Step 3: Cross multiply
    161,567.06x = 222,817.38 × 101,143.20
  4. Step 4: Simplify right side
    161,567.06x = 22,536,462,828.82
  5. Step 5: Solve for x
    x = 22,536,462,828.82/161,567.06
  6. Step 6: Final answer
    x = 139,486.75

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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.