Home / 161,424.06-222,772.40-134,521.54

Finding the Fourth Proportional to 161,424.06, 222,772.40 and 134,521.54

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Solution

The fourth proportional to 161,424.06, 222,772.40 and 134,521.54 is: 185,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,424.06 : 222,772.40 = 134,521.54 : x
  2. Step 2: Convert to fraction form
    161,424.06/222,772.40 = 134,521.54/x
  3. Step 3: Cross multiply
    161,424.06x = 222,772.40 × 134,521.54
  4. Step 4: Simplify right side
    161,424.06x = 29,967,686,317.50
  5. Step 5: Solve for x
    x = 29,967,686,317.50/161,424.06
  6. Step 6: Final answer
    x = 185,645.72

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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.