Home / 161,089.16-222,320.68-92,185

Finding the Fourth Proportional to 161,089.16, 222,320.68 and 92,185

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Solution

The fourth proportional to 161,089.16, 222,320.68 and 92,185 is: 127,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,089.16 : 222,320.68 = 92,185 : x
  2. Step 2: Convert to fraction form
    161,089.16/222,320.68 = 92,185/x
  3. Step 3: Cross multiply
    161,089.16x = 222,320.68 × 92,185
  4. Step 4: Simplify right side
    161,089.16x = 20,494,631,885.80
  5. Step 5: Solve for x
    x = 20,494,631,885.80/161,089.16
  6. Step 6: Final answer
    x = 127,225.39

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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.