Home / 152,109.12-228,168-52,267.68

Finding the Fourth Proportional to 152,109.12, 228,168 and 52,267.68

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Solution

The fourth proportional to 152,109.12, 228,168 and 52,267.68 is: 78,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,109.12 : 228,168 = 52,267.68 : x
  2. Step 2: Convert to fraction form
    152,109.12/228,168 = 52,267.68/x
  3. Step 3: Cross multiply
    152,109.12x = 228,168 × 52,267.68
  4. Step 4: Simplify right side
    152,109.12x = 11,925,812,010.24
  5. Step 5: Solve for x
    x = 11,925,812,010.24/152,109.12
  6. Step 6: Final answer
    x = 78,403.00

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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.