Home / 152,262.40-228,598.80-89,147.20

Finding the Fourth Proportional to 152,262.40, 228,598.80 and 89,147.20

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Solution

The fourth proportional to 152,262.40, 228,598.80 and 89,147.20 is: 133,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,262.40 : 228,598.80 = 89,147.20 : x
  2. Step 2: Convert to fraction form
    152,262.40/228,598.80 = 89,147.20/x
  3. Step 3: Cross multiply
    152,262.40x = 228,598.80 × 89,147.20
  4. Step 4: Simplify right side
    152,262.40x = 20,378,942,943.36
  5. Step 5: Solve for x
    x = 20,378,942,943.36/152,262.40
  6. Step 6: Final answer
    x = 133,840.94

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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.