Home / 130,018.80-195,028.20-94,767.60

Finding the Fourth Proportional to 130,018.80, 195,028.20 and 94,767.60

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Solution

The fourth proportional to 130,018.80, 195,028.20 and 94,767.60 is: 142,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,018.80 : 195,028.20 = 94,767.60 : x
  2. Step 2: Convert to fraction form
    130,018.80/195,028.20 = 94,767.60/x
  3. Step 3: Cross multiply
    130,018.80x = 195,028.20 × 94,767.60
  4. Step 4: Simplify right side
    130,018.80x = 18,482,354,446.32
  5. Step 5: Solve for x
    x = 18,482,354,446.32/130,018.80
  6. Step 6: Final answer
    x = 142,151.40

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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.