Home / 189,258.01-261,176.29-103,217.13

Finding the Fourth Proportional to 189,258.01, 261,176.29 and 103,217.13

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Solution

The fourth proportional to 189,258.01, 261,176.29 and 103,217.13 is: 142,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,258.01 : 261,176.29 = 103,217.13 : x
  2. Step 2: Convert to fraction form
    189,258.01/261,176.29 = 103,217.13/x
  3. Step 3: Cross multiply
    189,258.01x = 261,176.29 × 103,217.13
  4. Step 4: Simplify right side
    189,258.01x = 26,957,866,819.80
  5. Step 5: Solve for x
    x = 26,957,866,819.80/189,258.01
  6. Step 6: Final answer
    x = 142,439.77

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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.