Home / 152,304.32-228,478.32-47,131.36

Finding the Fourth Proportional to 152,304.32, 228,478.32 and 47,131.36

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Solution

The fourth proportional to 152,304.32, 228,478.32 and 47,131.36 is: 70,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,304.32 : 228,478.32 = 47,131.36 : x
  2. Step 2: Convert to fraction form
    152,304.32/228,478.32 = 47,131.36/x
  3. Step 3: Cross multiply
    152,304.32x = 228,478.32 × 47,131.36
  4. Step 4: Simplify right side
    152,304.32x = 10,768,493,952.12
  5. Step 5: Solve for x
    x = 10,768,493,952.12/152,304.32
  6. Step 6: Final answer
    x = 70,703.80

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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.