Home / 119,154.89-178,756.86-34,917.78

Finding the Fourth Proportional to 119,154.89, 178,756.86 and 34,917.78

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Solution

The fourth proportional to 119,154.89, 178,756.86 and 34,917.78 is: 52,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,154.89 : 178,756.86 = 34,917.78 : x
  2. Step 2: Convert to fraction form
    119,154.89/178,756.86 = 34,917.78/x
  3. Step 3: Cross multiply
    119,154.89x = 178,756.86 × 34,917.78
  4. Step 4: Simplify right side
    119,154.89x = 6,241,792,710.97
  5. Step 5: Solve for x
    x = 6,241,792,710.97/119,154.89
  6. Step 6: Final answer
    x = 52,383.86

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1.5x scale

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.