Home / 120,532.02-166,316.70-66,817

Finding the Fourth Proportional to 120,532.02, 166,316.70 and 66,817

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Solution

The fourth proportional to 120,532.02, 166,316.70 and 66,817 is: 92,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,532.02 : 166,316.70 = 66,817 : x
  2. Step 2: Convert to fraction form
    120,532.02/166,316.70 = 66,817/x
  3. Step 3: Cross multiply
    120,532.02x = 166,316.70 × 66,817
  4. Step 4: Simplify right side
    120,532.02x = 11,112,782,943.90
  5. Step 5: Solve for x
    x = 11,112,782,943.90/120,532.02
  6. Step 6: Final answer
    x = 92,197.77

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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.