Home / 161,213.84-222,457.40-93,220.52

Finding the Fourth Proportional to 161,213.84, 222,457.40 and 93,220.52

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Solution

The fourth proportional to 161,213.84, 222,457.40 and 93,220.52 is: 128,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,213.84 : 222,457.40 = 93,220.52 : x
  2. Step 2: Convert to fraction form
    161,213.84/222,457.40 = 93,220.52/x
  3. Step 3: Cross multiply
    161,213.84x = 222,457.40 × 93,220.52
  4. Step 4: Simplify right side
    161,213.84x = 20,737,594,505.85
  5. Step 5: Solve for x
    x = 20,737,594,505.85/161,213.84
  6. Step 6: Final answer
    x = 128,634.08

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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.