Home / 161,535.61-222,915.28-89,914.09

Finding the Fourth Proportional to 161,535.61, 222,915.28 and 89,914.09

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Solution

The fourth proportional to 161,535.61, 222,915.28 and 89,914.09 is: 124,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,535.61 : 222,915.28 = 89,914.09 : x
  2. Step 2: Convert to fraction form
    161,535.61/222,915.28 = 89,914.09/x
  3. Step 3: Cross multiply
    161,535.61x = 222,915.28 × 89,914.09
  4. Step 4: Simplify right side
    161,535.61x = 20,043,224,548.30
  5. Step 5: Solve for x
    x = 20,043,224,548.30/161,535.61
  6. Step 6: Final answer
    x = 124,079.29

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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.