Home / 143,258.30-197,697.63-89,574.44

Finding the Fourth Proportional to 143,258.30, 197,697.63 and 89,574.44

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Solution

The fourth proportional to 143,258.30, 197,697.63 and 89,574.44 is: 123,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,258.30 : 197,697.63 = 89,574.44 : x
  2. Step 2: Convert to fraction form
    143,258.30/197,697.63 = 89,574.44/x
  3. Step 3: Cross multiply
    143,258.30x = 197,697.63 × 89,574.44
  4. Step 4: Simplify right side
    143,258.30x = 17,708,654,496.58
  5. Step 5: Solve for x
    x = 17,708,654,496.58/143,258.30
  6. Step 6: Final answer
    x = 123,613.46

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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.