Home / 152,031.20-228,046.80-124,383.20

Finding the Fourth Proportional to 152,031.20, 228,046.80 and 124,383.20

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Solution

The fourth proportional to 152,031.20, 228,046.80 and 124,383.20 is: 186,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,031.20 : 228,046.80 = 124,383.20 : x
  2. Step 2: Convert to fraction form
    152,031.20/228,046.80 = 124,383.20/x
  3. Step 3: Cross multiply
    152,031.20x = 228,046.80 × 124,383.20
  4. Step 4: Simplify right side
    152,031.20x = 28,365,190,733.76
  5. Step 5: Solve for x
    x = 28,365,190,733.76/152,031.20
  6. Step 6: Final answer
    x = 186,574.80

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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.