Home / 161,569.06-222,820.14-101,145.20

Finding the Fourth Proportional to 161,569.06, 222,820.14 and 101,145.20

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Solution

The fourth proportional to 161,569.06, 222,820.14 and 101,145.20 is: 139,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,569.06 : 222,820.14 = 101,145.20 : x
  2. Step 2: Convert to fraction form
    161,569.06/222,820.14 = 101,145.20/x
  3. Step 3: Cross multiply
    161,569.06x = 222,820.14 × 101,145.20
  4. Step 4: Simplify right side
    161,569.06x = 22,537,187,624.33
  5. Step 5: Solve for x
    x = 22,537,187,624.33/161,569.06
  6. Step 6: Final answer
    x = 139,489.50

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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.