Home / 104,296.09-156,283.11-70,429.39

Finding the Fourth Proportional to 104,296.09, 156,283.11 and 70,429.39

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Solution

The fourth proportional to 104,296.09, 156,283.11 and 70,429.39 is: 105,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,296.09 : 156,283.11 = 70,429.39 : x
  2. Step 2: Convert to fraction form
    104,296.09/156,283.11 = 70,429.39/x
  3. Step 3: Cross multiply
    104,296.09x = 156,283.11 × 70,429.39
  4. Step 4: Simplify right side
    104,296.09x = 11,006,924,104.60
  5. Step 5: Solve for x
    x = 11,006,924,104.60/104,296.09
  6. Step 6: Final answer
    x = 105,535.35

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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.