Home / 179,005.09-247,033.40-98,438.74

Finding the Fourth Proportional to 179,005.09, 247,033.40 and 98,438.74

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Solution

The fourth proportional to 179,005.09, 247,033.40 and 98,438.74 is: 135,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,005.09 : 247,033.40 = 98,438.74 : x
  2. Step 2: Convert to fraction form
    179,005.09/247,033.40 = 98,438.74/x
  3. Step 3: Cross multiply
    179,005.09x = 247,033.40 × 98,438.74
  4. Step 4: Simplify right side
    179,005.09x = 24,317,656,880.01
  5. Step 5: Solve for x
    x = 24,317,656,880.01/179,005.09
  6. Step 6: Final answer
    x = 135,848.97

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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.