Home / 133,373.57-199,208.58-120,703.91

Finding the Fourth Proportional to 133,373.57, 199,208.58 and 120,703.91

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Solution

The fourth proportional to 133,373.57, 199,208.58 and 120,703.91 is: 180,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,373.57 : 199,208.58 = 120,703.91 : x
  2. Step 2: Convert to fraction form
    133,373.57/199,208.58 = 120,703.91/x
  3. Step 3: Cross multiply
    133,373.57x = 199,208.58 × 120,703.91
  4. Step 4: Simplify right side
    133,373.57x = 24,045,254,511.55
  5. Step 5: Solve for x
    x = 24,045,254,511.55/133,373.57
  6. Step 6: Final answer
    x = 180,285.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.