Home / 198,001.60-273,170.40-130,055.32

Finding the Fourth Proportional to 198,001.60, 273,170.40 and 130,055.32

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Solution

The fourth proportional to 198,001.60, 273,170.40 and 130,055.32 is: 179,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.60 : 273,170.40 = 130,055.32 : x
  2. Step 2: Convert to fraction form
    198,001.60/273,170.40 = 130,055.32/x
  3. Step 3: Cross multiply
    198,001.60x = 273,170.40 × 130,055.32
  4. Step 4: Simplify right side
    198,001.60x = 35,527,263,786.53
  5. Step 5: Solve for x
    x = 35,527,263,786.53/198,001.60
  6. Step 6: Final answer
    x = 179,429.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.