Home / 152,070.34-228,138.12-45,462.66

Finding the Fourth Proportional to 152,070.34, 228,138.12 and 45,462.66

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Solution

The fourth proportional to 152,070.34, 228,138.12 and 45,462.66 is: 68,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,070.34 : 228,138.12 = 45,462.66 : x
  2. Step 2: Convert to fraction form
    152,070.34/228,138.12 = 45,462.66/x
  3. Step 3: Cross multiply
    152,070.34x = 228,138.12 × 45,462.66
  4. Step 4: Simplify right side
    152,070.34x = 10,371,765,782.60
  5. Step 5: Solve for x
    x = 10,371,765,782.60/152,070.34
  6. Step 6: Final answer
    x = 68,203.74

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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.