Home / 113,214.60-156,244.86-67,894.29

Finding the Fourth Proportional to 113,214.60, 156,244.86 and 67,894.29

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Solution

The fourth proportional to 113,214.60, 156,244.86 and 67,894.29 is: 93,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,214.60 : 156,244.86 = 67,894.29 : x
  2. Step 2: Convert to fraction form
    113,214.60/156,244.86 = 67,894.29/x
  3. Step 3: Cross multiply
    113,214.60x = 156,244.86 × 67,894.29
  4. Step 4: Simplify right side
    113,214.60x = 10,608,133,835.85
  5. Step 5: Solve for x
    x = 10,608,133,835.85/113,214.60
  6. Step 6: Final answer
    x = 93,699.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.