Home / 152,130.59-228,208.19-52,290.86

Finding the Fourth Proportional to 152,130.59, 228,208.19 and 52,290.86

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Solution

The fourth proportional to 152,130.59, 228,208.19 and 52,290.86 is: 78,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,130.59 : 228,208.19 = 52,290.86 : x
  2. Step 2: Convert to fraction form
    152,130.59/228,208.19 = 52,290.86/x
  3. Step 3: Cross multiply
    152,130.59x = 228,208.19 × 52,290.86
  4. Step 4: Simplify right side
    152,130.59x = 11,933,201,111.65
  5. Step 5: Solve for x
    x = 11,933,201,111.65/152,130.59
  6. Step 6: Final answer
    x = 78,440.51

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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.