Home / 179,148.53-247,142.31-115,506.83

Finding the Fourth Proportional to 179,148.53, 247,142.31 and 115,506.83

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Solution

The fourth proportional to 179,148.53, 247,142.31 and 115,506.83 is: 159,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,148.53 : 247,142.31 = 115,506.83 : x
  2. Step 2: Convert to fraction form
    179,148.53/247,142.31 = 115,506.83/x
  3. Step 3: Cross multiply
    179,148.53x = 247,142.31 × 115,506.83
  4. Step 4: Simplify right side
    179,148.53x = 28,546,624,971.68
  5. Step 5: Solve for x
    x = 28,546,624,971.68/179,148.53
  6. Step 6: Final answer
    x = 159,346.13

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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.