Home / 389,161.29-583,490.39-152,527.89

Finding the Fourth Proportional to 389,161.29, 583,490.39 and 152,527.89

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Solution

The fourth proportional to 389,161.29, 583,490.39 and 152,527.89 is: 228,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,161.29 : 583,490.39 = 152,527.89 : x
  2. Step 2: Convert to fraction form
    389,161.29/583,490.39 = 152,527.89/x
  3. Step 3: Cross multiply
    389,161.29x = 583,490.39 × 152,527.89
  4. Step 4: Simplify right side
    389,161.29x = 88,998,559,447.43
  5. Step 5: Solve for x
    x = 88,998,559,447.43/389,161.29
  6. Step 6: Final answer
    x = 228,693.25

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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.