Home / 130,125.40-194,880.90-88,346.20

Finding the Fourth Proportional to 130,125.40, 194,880.90 and 88,346.20

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Solution

The fourth proportional to 130,125.40, 194,880.90 and 88,346.20 is: 132,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,125.40 : 194,880.90 = 88,346.20 : x
  2. Step 2: Convert to fraction form
    130,125.40/194,880.90 = 88,346.20/x
  3. Step 3: Cross multiply
    130,125.40x = 194,880.90 × 88,346.20
  4. Step 4: Simplify right side
    130,125.40x = 17,216,986,967.58
  5. Step 5: Solve for x
    x = 17,216,986,967.58/130,125.40
  6. Step 6: Final answer
    x = 132,310.73

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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.