Home / 133,172.25-183,783.11-76,583.63

Finding the Fourth Proportional to 133,172.25, 183,783.11 and 76,583.63

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Solution

The fourth proportional to 133,172.25, 183,783.11 and 76,583.63 is: 105,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,172.25 : 183,783.11 = 76,583.63 : x
  2. Step 2: Convert to fraction form
    133,172.25/183,783.11 = 76,583.63/x
  3. Step 3: Cross multiply
    133,172.25x = 183,783.11 × 76,583.63
  4. Step 4: Simplify right side
    133,172.25x = 14,074,777,696.49
  5. Step 5: Solve for x
    x = 14,074,777,696.49/133,172.25
  6. Step 6: Final answer
    x = 105,688.52

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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.