Home / 133,094.16-183,668.76-72,665.46

Finding the Fourth Proportional to 133,094.16, 183,668.76 and 72,665.46

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Solution

The fourth proportional to 133,094.16, 183,668.76 and 72,665.46 is: 100,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.16 : 183,668.76 = 72,665.46 : x
  2. Step 2: Convert to fraction form
    133,094.16/183,668.76 = 72,665.46/x
  3. Step 3: Cross multiply
    133,094.16x = 183,668.76 × 72,665.46
  4. Step 4: Simplify right side
    133,094.16x = 13,346,374,933.03
  5. Step 5: Solve for x
    x = 13,346,374,933.03/133,094.16
  6. Step 6: Final answer
    x = 100,277.69

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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.