Home / 161,128.82-222,364.08-110,248.27

Finding the Fourth Proportional to 161,128.82, 222,364.08 and 110,248.27

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Solution

The fourth proportional to 161,128.82, 222,364.08 and 110,248.27 is: 152,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,128.82 : 222,364.08 = 110,248.27 : x
  2. Step 2: Convert to fraction form
    161,128.82/222,364.08 = 110,248.27/x
  3. Step 3: Cross multiply
    161,128.82x = 222,364.08 × 110,248.27
  4. Step 4: Simplify right side
    161,128.82x = 24,515,254,574.23
  5. Step 5: Solve for x
    x = 24,515,254,574.23/161,128.82
  6. Step 6: Final answer
    x = 152,146.92

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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.