Home / 133,658.13-184,448.21-74,042.13

Finding the Fourth Proportional to 133,658.13, 184,448.21 and 74,042.13

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Solution

The fourth proportional to 133,658.13, 184,448.21 and 74,042.13 is: 102,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.13 : 184,448.21 = 74,042.13 : x
  2. Step 2: Convert to fraction form
    133,658.13/184,448.21 = 74,042.13/x
  3. Step 3: Cross multiply
    133,658.13x = 184,448.21 × 74,042.13
  4. Step 4: Simplify right side
    133,658.13x = 13,656,938,343.09
  5. Step 5: Solve for x
    x = 13,656,938,343.09/133,658.13
  6. Step 6: Final answer
    x = 102,178.13

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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.