Home / 130,487.80-195,731.70-36,994.36

Finding the Fourth Proportional to 130,487.80, 195,731.70 and 36,994.36

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Solution

The fourth proportional to 130,487.80, 195,731.70 and 36,994.36 is: 55,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,487.80 : 195,731.70 = 36,994.36 : x
  2. Step 2: Convert to fraction form
    130,487.80/195,731.70 = 36,994.36/x
  3. Step 3: Cross multiply
    130,487.80x = 195,731.70 × 36,994.36
  4. Step 4: Simplify right side
    130,487.80x = 7,240,968,973.21
  5. Step 5: Solve for x
    x = 7,240,968,973.21/130,487.80
  6. Step 6: Final answer
    x = 55,491.54

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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.