Home / 133,039.90-199,705.65-83,176.30

Finding the Fourth Proportional to 133,039.90, 199,705.65 and 83,176.30

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Solution

The fourth proportional to 133,039.90, 199,705.65 and 83,176.30 is: 124,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.90 : 199,705.65 = 83,176.30 : x
  2. Step 2: Convert to fraction form
    133,039.90/199,705.65 = 83,176.30/x
  3. Step 3: Cross multiply
    133,039.90x = 199,705.65 × 83,176.30
  4. Step 4: Simplify right side
    133,039.90x = 16,610,777,056.10
  5. Step 5: Solve for x
    x = 16,610,777,056.10/133,039.90
  6. Step 6: Final answer
    x = 124,855.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.