Home / 133,686.38-184,487.20-79,973.66

Finding the Fourth Proportional to 133,686.38, 184,487.20 and 79,973.66

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Solution

The fourth proportional to 133,686.38, 184,487.20 and 79,973.66 is: 110,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,686.38 : 184,487.20 = 79,973.66 : x
  2. Step 2: Convert to fraction form
    133,686.38/184,487.20 = 79,973.66/x
  3. Step 3: Cross multiply
    133,686.38x = 184,487.20 × 79,973.66
  4. Step 4: Simplify right side
    133,686.38x = 14,754,116,607.15
  5. Step 5: Solve for x
    x = 14,754,116,607.15/133,686.38
  6. Step 6: Final answer
    x = 110,363.65

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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.