Home / 293,459.60-440,335.20-115,972.40

Finding the Fourth Proportional to 293,459.60, 440,335.20 and 115,972.40

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Solution

The fourth proportional to 293,459.60, 440,335.20 and 115,972.40 is: 174,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,459.60 : 440,335.20 = 115,972.40 : x
  2. Step 2: Convert to fraction form
    293,459.60/440,335.20 = 115,972.40/x
  3. Step 3: Cross multiply
    293,459.60x = 440,335.20 × 115,972.40
  4. Step 4: Simplify right side
    293,459.60x = 51,066,729,948.48
  5. Step 5: Solve for x
    x = 51,066,729,948.48/293,459.60
  6. Step 6: Final answer
    x = 174,016.22

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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.