Home / 133,185.09-183,800.91-76,596.47

Finding the Fourth Proportional to 133,185.09, 183,800.91 and 76,596.47

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Solution

The fourth proportional to 133,185.09, 183,800.91 and 76,596.47 is: 105,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,185.09 : 183,800.91 = 76,596.47 : x
  2. Step 2: Convert to fraction form
    133,185.09/183,800.91 = 76,596.47/x
  3. Step 3: Cross multiply
    133,185.09x = 183,800.91 × 76,596.47
  4. Step 4: Simplify right side
    133,185.09x = 14,078,500,946.27
  5. Step 5: Solve for x
    x = 14,078,500,946.27/133,185.09
  6. Step 6: Final answer
    x = 105,706.28

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1.5x scale

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.