Home / 120,513.06-166,317.98-66,814.92

Finding the Fourth Proportional to 120,513.06, 166,317.98 and 66,814.92

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Solution

The fourth proportional to 120,513.06, 166,317.98 and 66,814.92 is: 92,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,513.06 : 166,317.98 = 66,814.92 : x
  2. Step 2: Convert to fraction form
    120,513.06/166,317.98 = 66,814.92/x
  3. Step 3: Cross multiply
    120,513.06x = 166,317.98 × 66,814.92
  4. Step 4: Simplify right side
    120,513.06x = 11,112,522,528.26
  5. Step 5: Solve for x
    x = 11,112,522,528.26/120,513.06
  6. Step 6: Final answer
    x = 92,210.11

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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.