Home / 133,095.27-183,668.79-72,666.41

Finding the Fourth Proportional to 133,095.27, 183,668.79 and 72,666.41

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Solution

The fourth proportional to 133,095.27, 183,668.79 and 72,666.41 is: 100,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,095.27 : 183,668.79 = 72,666.41 : x
  2. Step 2: Convert to fraction form
    133,095.27/183,668.79 = 72,666.41/x
  3. Step 3: Cross multiply
    133,095.27x = 183,668.79 × 72,666.41
  4. Step 4: Simplify right side
    133,095.27x = 13,346,550,841.06
  5. Step 5: Solve for x
    x = 13,346,550,841.06/133,095.27
  6. Step 6: Final answer
    x = 100,278.18

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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.