Home / 260,431.38-390,686.07-94,258.26

Finding the Fourth Proportional to 260,431.38, 390,686.07 and 94,258.26

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Solution

The fourth proportional to 260,431.38, 390,686.07 and 94,258.26 is: 141,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,431.38 : 390,686.07 = 94,258.26 : x
  2. Step 2: Convert to fraction form
    260,431.38/390,686.07 = 94,258.26/x
  3. Step 3: Cross multiply
    260,431.38x = 390,686.07 × 94,258.26
  4. Step 4: Simplify right side
    260,431.38x = 36,825,386,739.72
  5. Step 5: Solve for x
    x = 36,825,386,739.72/260,431.38
  6. Step 6: Final answer
    x = 141,401.50

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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.