Home / 293,425.60-440,284.20-115,938.40

Finding the Fourth Proportional to 293,425.60, 440,284.20 and 115,938.40

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Solution

The fourth proportional to 293,425.60, 440,284.20 and 115,938.40 is: 173,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,425.60 : 440,284.20 = 115,938.40 : x
  2. Step 2: Convert to fraction form
    293,425.60/440,284.20 = 115,938.40/x
  3. Step 3: Cross multiply
    293,425.60x = 440,284.20 × 115,938.40
  4. Step 4: Simplify right side
    293,425.60x = 51,045,845,693.28
  5. Step 5: Solve for x
    x = 51,045,845,693.28/293,425.60
  6. Step 6: Final answer
    x = 173,965.21

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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.