Home / 161,570.06-222,821.52-101,146.20

Finding the Fourth Proportional to 161,570.06, 222,821.52 and 101,146.20

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Solution

The fourth proportional to 161,570.06, 222,821.52 and 101,146.20 is: 139,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,570.06 : 222,821.52 = 101,146.20 : x
  2. Step 2: Convert to fraction form
    161,570.06/222,821.52 = 101,146.20/x
  3. Step 3: Cross multiply
    161,570.06x = 222,821.52 × 101,146.20
  4. Step 4: Simplify right side
    161,570.06x = 22,537,550,026.22
  5. Step 5: Solve for x
    x = 22,537,550,026.22/161,570.06
  6. Step 6: Final answer
    x = 139,490.88

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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.