Home / 133,869.42-184,864.82-86,206.59

Finding the Fourth Proportional to 133,869.42, 184,864.82 and 86,206.59

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Solution

The fourth proportional to 133,869.42, 184,864.82 and 86,206.59 is: 119,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,869.42 : 184,864.82 = 86,206.59 : x
  2. Step 2: Convert to fraction form
    133,869.42/184,864.82 = 86,206.59/x
  3. Step 3: Cross multiply
    133,869.42x = 184,864.82 × 86,206.59
  4. Step 4: Simplify right side
    133,869.42x = 15,936,565,312.13
  5. Step 5: Solve for x
    x = 15,936,565,312.13/133,869.42
  6. Step 6: Final answer
    x = 119,045.60

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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.