Home / 130,591.77-195,772.80-51,761.34

Finding the Fourth Proportional to 130,591.77, 195,772.80 and 51,761.34

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Solution

The fourth proportional to 130,591.77, 195,772.80 and 51,761.34 is: 77,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,591.77 : 195,772.80 = 51,761.34 : x
  2. Step 2: Convert to fraction form
    130,591.77/195,772.80 = 51,761.34/x
  3. Step 3: Cross multiply
    130,591.77x = 195,772.80 × 51,761.34
  4. Step 4: Simplify right side
    130,591.77x = 10,133,462,463.55
  5. Step 5: Solve for x
    x = 10,133,462,463.55/130,591.77
  6. Step 6: Final answer
    x = 77,596.49

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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.