Home / 133,184.23-183,798.65-72,760.49

Finding the Fourth Proportional to 133,184.23, 183,798.65 and 72,760.49

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Solution

The fourth proportional to 133,184.23, 183,798.65 and 72,760.49 is: 100,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,184.23 : 183,798.65 = 72,760.49 : x
  2. Step 2: Convert to fraction form
    133,184.23/183,798.65 = 72,760.49/x
  3. Step 3: Cross multiply
    133,184.23x = 183,798.65 × 72,760.49
  4. Step 4: Simplify right side
    133,184.23x = 13,373,279,835.34
  5. Step 5: Solve for x
    x = 13,373,279,835.34/133,184.23
  6. Step 6: Final answer
    x = 100,411.89

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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.