Home / 133,055.60-183,614.04-76,465.52

Finding the Fourth Proportional to 133,055.60, 183,614.04 and 76,465.52

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Solution

The fourth proportional to 133,055.60, 183,614.04 and 76,465.52 is: 105,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.60 : 183,614.04 = 76,465.52 : x
  2. Step 2: Convert to fraction form
    133,055.60/183,614.04 = 76,465.52/x
  3. Step 3: Cross multiply
    133,055.60x = 183,614.04 × 76,465.52
  4. Step 4: Simplify right side
    133,055.60x = 14,040,143,047.90
  5. Step 5: Solve for x
    x = 14,040,143,047.90/133,055.60
  6. Step 6: Final answer
    x = 105,520.87

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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.