Home / 293,088.13-439,402.53-115,727.90

Finding the Fourth Proportional to 293,088.13, 439,402.53 and 115,727.90

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Solution

The fourth proportional to 293,088.13, 439,402.53 and 115,727.90 is: 173,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,088.13 : 439,402.53 = 115,727.90 : x
  2. Step 2: Convert to fraction form
    293,088.13/439,402.53 = 115,727.90/x
  3. Step 3: Cross multiply
    293,088.13x = 439,402.53 × 115,727.90
  4. Step 4: Simplify right side
    293,088.13x = 50,851,131,068.35
  5. Step 5: Solve for x
    x = 50,851,131,068.35/293,088.13
  6. Step 6: Final answer
    x = 173,501.16

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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.