Home / 293,089.07-439,403.93-115,728.84

Finding the Fourth Proportional to 293,089.07, 439,403.93 and 115,728.84

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Solution

The fourth proportional to 293,089.07, 439,403.93 and 115,728.84 is: 173,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,089.07 : 439,403.93 = 115,728.84 : x
  2. Step 2: Convert to fraction form
    293,089.07/439,403.93 = 115,728.84/x
  3. Step 3: Cross multiply
    293,089.07x = 439,403.93 × 115,728.84
  4. Step 4: Simplify right side
    293,089.07x = 50,851,707,399.66
  5. Step 5: Solve for x
    x = 50,851,707,399.66/293,089.07
  6. Step 6: Final answer
    x = 173,502.57

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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.