Home / 132,430.10-198,730.20-73,308.20

Finding the Fourth Proportional to 132,430.10, 198,730.20 and 73,308.20

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Solution

The fourth proportional to 132,430.10, 198,730.20 and 73,308.20 is: 110,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,430.10 : 198,730.20 = 73,308.20 : x
  2. Step 2: Convert to fraction form
    132,430.10/198,730.20 = 73,308.20/x
  3. Step 3: Cross multiply
    132,430.10x = 198,730.20 × 73,308.20
  4. Step 4: Simplify right side
    132,430.10x = 14,568,553,247.64
  5. Step 5: Solve for x
    x = 14,568,553,247.64/132,430.10
  6. Step 6: Final answer
    x = 110,009.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.