Home / 130,276.40-195,706.20-125,319.20

Finding the Fourth Proportional to 130,276.40, 195,706.20 and 125,319.20

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Solution

The fourth proportional to 130,276.40, 195,706.20 and 125,319.20 is: 188,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,276.40 : 195,706.20 = 125,319.20 : x
  2. Step 2: Convert to fraction form
    130,276.40/195,706.20 = 125,319.20/x
  3. Step 3: Cross multiply
    130,276.40x = 195,706.20 × 125,319.20
  4. Step 4: Simplify right side
    130,276.40x = 24,525,744,419.04
  5. Step 5: Solve for x
    x = 24,525,744,419.04/130,276.40
  6. Step 6: Final answer
    x = 188,259.30

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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.