Home / 133,097.26-183,671.54-72,668.40

Finding the Fourth Proportional to 133,097.26, 183,671.54 and 72,668.40

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Solution

The fourth proportional to 133,097.26, 183,671.54 and 72,668.40 is: 100,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,097.26 : 183,671.54 = 72,668.40 : x
  2. Step 2: Convert to fraction form
    133,097.26/183,671.54 = 72,668.40/x
  3. Step 3: Cross multiply
    133,097.26x = 183,671.54 × 72,668.40
  4. Step 4: Simplify right side
    133,097.26x = 13,347,116,937.34
  5. Step 5: Solve for x
    x = 13,347,116,937.34/133,097.26
  6. Step 6: Final answer
    x = 100,280.93

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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.