Home / 98,164.85-135,473.18-73,922.40

Finding the Fourth Proportional to 98,164.85, 135,473.18 and 73,922.40

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Solution

The fourth proportional to 98,164.85, 135,473.18 and 73,922.40 is: 102,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,164.85 : 135,473.18 = 73,922.40 : x
  2. Step 2: Convert to fraction form
    98,164.85/135,473.18 = 73,922.40/x
  3. Step 3: Cross multiply
    98,164.85x = 135,473.18 × 73,922.40
  4. Step 4: Simplify right side
    98,164.85x = 10,014,502,231.62
  5. Step 5: Solve for x
    x = 10,014,502,231.62/98,164.85
  6. Step 6: Final answer
    x = 102,017.20

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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.