Home / 293,447.13-440,005.41-93,720.57

Finding the Fourth Proportional to 293,447.13, 440,005.41 and 93,720.57

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Solution

The fourth proportional to 293,447.13, 440,005.41 and 93,720.57 is: 140,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,447.13 : 440,005.41 = 93,720.57 : x
  2. Step 2: Convert to fraction form
    293,447.13/440,005.41 = 93,720.57/x
  3. Step 3: Cross multiply
    293,447.13x = 440,005.41 × 93,720.57
  4. Step 4: Simplify right side
    293,447.13x = 41,237,557,828.28
  5. Step 5: Solve for x
    x = 41,237,557,828.28/293,447.13
  6. Step 6: Final answer
    x = 140,528.07

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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.