Home / 133,031.66-183,586.59-72,602.54

Finding the Fourth Proportional to 133,031.66, 183,586.59 and 72,602.54

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Solution

The fourth proportional to 133,031.66, 183,586.59 and 72,602.54 is: 100,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.66 : 183,586.59 = 72,602.54 : x
  2. Step 2: Convert to fraction form
    133,031.66/183,586.59 = 72,602.54/x
  3. Step 3: Cross multiply
    133,031.66x = 183,586.59 × 72,602.54
  4. Step 4: Simplify right side
    133,031.66x = 13,328,852,743.94
  5. Step 5: Solve for x
    x = 13,328,852,743.94/133,031.66
  6. Step 6: Final answer
    x = 100,193.09

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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.