Home / 152,811.90-228,765.87-113,543.10

Finding the Fourth Proportional to 152,811.90, 228,765.87 and 113,543.10

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Solution

The fourth proportional to 152,811.90, 228,765.87 and 113,543.10 is: 169,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,811.90 : 228,765.87 = 113,543.10 : x
  2. Step 2: Convert to fraction form
    152,811.90/228,765.87 = 113,543.10/x
  3. Step 3: Cross multiply
    152,811.90x = 228,765.87 × 113,543.10
  4. Step 4: Simplify right side
    152,811.90x = 25,974,786,054.00
  5. Step 5: Solve for x
    x = 25,974,786,054.00/152,811.90
  6. Step 6: Final answer
    x = 169,978.82

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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.