Home / 152,274.07-228,426.32-52,421.05

Finding the Fourth Proportional to 152,274.07, 228,426.32 and 52,421.05

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Solution

The fourth proportional to 152,274.07, 228,426.32 and 52,421.05 is: 78,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,274.07 : 228,426.32 = 52,421.05 : x
  2. Step 2: Convert to fraction form
    152,274.07/228,426.32 = 52,421.05/x
  3. Step 3: Cross multiply
    152,274.07x = 228,426.32 × 52,421.05
  4. Step 4: Simplify right side
    152,274.07x = 11,974,347,542.04
  5. Step 5: Solve for x
    x = 11,974,347,542.04/152,274.07
  6. Step 6: Final answer
    x = 78,636.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.