Home / 117,118.04-161,624.58-66,817.04

Finding the Fourth Proportional to 117,118.04, 161,624.58 and 66,817.04

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Solution

The fourth proportional to 117,118.04, 161,624.58 and 66,817.04 is: 92,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,118.04 : 161,624.58 = 66,817.04 : x
  2. Step 2: Convert to fraction form
    117,118.04/161,624.58 = 66,817.04/x
  3. Step 3: Cross multiply
    117,118.04x = 161,624.58 × 66,817.04
  4. Step 4: Simplify right side
    117,118.04x = 10,799,276,026.84
  5. Step 5: Solve for x
    x = 10,799,276,026.84/117,118.04
  6. Step 6: Final answer
    x = 92,208.48

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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.