Home / 133,041.99-183,591.45-72,611.13

Finding the Fourth Proportional to 133,041.99, 183,591.45 and 72,611.13

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Solution

The fourth proportional to 133,041.99, 183,591.45 and 72,611.13 is: 100,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,041.99 : 183,591.45 = 72,611.13 : x
  2. Step 2: Convert to fraction form
    133,041.99/183,591.45 = 72,611.13/x
  3. Step 3: Cross multiply
    133,041.99x = 183,591.45 × 72,611.13
  4. Step 4: Simplify right side
    133,041.99x = 13,330,782,642.84
  5. Step 5: Solve for x
    x = 13,330,782,642.84/133,041.99
  6. Step 6: Final answer
    x = 100,199.81

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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.