Home / 301,730.40-452,887.20-152,139.60

Finding the Fourth Proportional to 301,730.40, 452,887.20 and 152,139.60

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Solution

The fourth proportional to 301,730.40, 452,887.20 and 152,139.60 is: 228,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,730.40 : 452,887.20 = 152,139.60 : x
  2. Step 2: Convert to fraction form
    301,730.40/452,887.20 = 152,139.60/x
  3. Step 3: Cross multiply
    301,730.40x = 452,887.20 × 152,139.60
  4. Step 4: Simplify right side
    301,730.40x = 68,902,077,453.12
  5. Step 5: Solve for x
    x = 68,902,077,453.12/301,730.40
  6. Step 6: Final answer
    x = 228,356.43

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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.