Home / 130,567.50-180,190.44-73,997.10

Finding the Fourth Proportional to 130,567.50, 180,190.44 and 73,997.10

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Solution

The fourth proportional to 130,567.50, 180,190.44 and 73,997.10 is: 102,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,567.50 : 180,190.44 = 73,997.10 : x
  2. Step 2: Convert to fraction form
    130,567.50/180,190.44 = 73,997.10/x
  3. Step 3: Cross multiply
    130,567.50x = 180,190.44 × 73,997.10
  4. Step 4: Simplify right side
    130,567.50x = 13,333,570,007.72
  5. Step 5: Solve for x
    x = 13,333,570,007.72/130,567.50
  6. Step 6: Final answer
    x = 102,120.13

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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.