Home / 120,740.02-166,612.88-67,020.80

Finding the Fourth Proportional to 120,740.02, 166,612.88 and 67,020.80

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Solution

The fourth proportional to 120,740.02, 166,612.88 and 67,020.80 is: 92,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,740.02 : 166,612.88 = 67,020.80 : x
  2. Step 2: Convert to fraction form
    120,740.02/166,612.88 = 67,020.80/x
  3. Step 3: Cross multiply
    120,740.02x = 166,612.88 × 67,020.80
  4. Step 4: Simplify right side
    120,740.02x = 11,166,528,507.90
  5. Step 5: Solve for x
    x = 11,166,528,507.90/120,740.02
  6. Step 6: Final answer
    x = 92,484.07

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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.