Home / 133,042.41-183,601.43-72,613.29

Finding the Fourth Proportional to 133,042.41, 183,601.43 and 72,613.29

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Solution

The fourth proportional to 133,042.41, 183,601.43 and 72,613.29 is: 100,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.41 : 183,601.43 = 72,613.29 : x
  2. Step 2: Convert to fraction form
    133,042.41/183,601.43 = 72,613.29/x
  3. Step 3: Cross multiply
    133,042.41x = 183,601.43 × 72,613.29
  4. Step 4: Simplify right side
    133,042.41x = 13,331,903,881.00
  5. Step 5: Solve for x
    x = 13,331,903,881.00/133,042.41
  6. Step 6: Final answer
    x = 100,207.93

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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.