Home / 179,009.40-247,020.30-98,435.64

Finding the Fourth Proportional to 179,009.40, 247,020.30 and 98,435.64

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Solution

The fourth proportional to 179,009.40, 247,020.30 and 98,435.64 is: 135,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,009.40 : 247,020.30 = 98,435.64 : x
  2. Step 2: Convert to fraction form
    179,009.40/247,020.30 = 98,435.64/x
  3. Step 3: Cross multiply
    179,009.40x = 247,020.30 × 98,435.64
  4. Step 4: Simplify right side
    179,009.40x = 24,315,601,323.49
  5. Step 5: Solve for x
    x = 24,315,601,323.49/179,009.40
  6. Step 6: Final answer
    x = 135,834.21

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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.