Home / 161,586.84-222,985.88-89,965.33

Finding the Fourth Proportional to 161,586.84, 222,985.88 and 89,965.33

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Solution

The fourth proportional to 161,586.84, 222,985.88 and 89,965.33 is: 124,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,586.84 : 222,985.88 = 89,965.33 : x
  2. Step 2: Convert to fraction form
    161,586.84/222,985.88 = 89,965.33/x
  3. Step 3: Cross multiply
    161,586.84x = 222,985.88 × 89,965.33
  4. Step 4: Simplify right side
    161,586.84x = 20,060,997,946.99
  5. Step 5: Solve for x
    x = 20,060,997,946.99/161,586.84
  6. Step 6: Final answer
    x = 124,149.95

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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.