Home / 130,577.64-195,880.58-55,705.69

Finding the Fourth Proportional to 130,577.64, 195,880.58 and 55,705.69

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Solution

The fourth proportional to 130,577.64, 195,880.58 and 55,705.69 is: 83,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,577.64 : 195,880.58 = 55,705.69 : x
  2. Step 2: Convert to fraction form
    130,577.64/195,880.58 = 55,705.69/x
  3. Step 3: Cross multiply
    130,577.64x = 195,880.58 × 55,705.69
  4. Step 4: Simplify right side
    130,577.64x = 10,911,663,041.72
  5. Step 5: Solve for x
    x = 10,911,663,041.72/130,577.64
  6. Step 6: Final answer
    x = 83,564.56

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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.