Home / 130,276.80-195,430.96-46,019.72

Finding the Fourth Proportional to 130,276.80, 195,430.96 and 46,019.72

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Solution

The fourth proportional to 130,276.80, 195,430.96 and 46,019.72 is: 69,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,276.80 : 195,430.96 = 46,019.72 : x
  2. Step 2: Convert to fraction form
    130,276.80/195,430.96 = 46,019.72/x
  3. Step 3: Cross multiply
    130,276.80x = 195,430.96 × 46,019.72
  4. Step 4: Simplify right side
    130,276.80x = 8,993,677,650.73
  5. Step 5: Solve for x
    x = 8,993,677,650.73/130,276.80
  6. Step 6: Final answer
    x = 69,035.15

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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.