Home / 130,799.40-196,315.72-60,718.20

Finding the Fourth Proportional to 130,799.40, 196,315.72 and 60,718.20

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Solution

The fourth proportional to 130,799.40, 196,315.72 and 60,718.20 is: 91,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,799.40 : 196,315.72 = 60,718.20 : x
  2. Step 2: Convert to fraction form
    130,799.40/196,315.72 = 60,718.20/x
  3. Step 3: Cross multiply
    130,799.40x = 196,315.72 × 60,718.20
  4. Step 4: Simplify right side
    130,799.40x = 11,919,937,150.10
  5. Step 5: Solve for x
    x = 11,919,937,150.10/130,799.40
  6. Step 6: Final answer
    x = 91,131.44

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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.