Home / 293,111.45-439,719.83-103,681.61

Finding the Fourth Proportional to 293,111.45, 439,719.83 and 103,681.61

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Solution

The fourth proportional to 293,111.45, 439,719.83 and 103,681.61 is: 155,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,111.45 : 439,719.83 = 103,681.61 : x
  2. Step 2: Convert to fraction form
    293,111.45/439,719.83 = 103,681.61/x
  3. Step 3: Cross multiply
    293,111.45x = 439,719.83 × 103,681.61
  4. Step 4: Simplify right side
    293,111.45x = 45,590,857,206.32
  5. Step 5: Solve for x
    x = 45,590,857,206.32/293,111.45
  6. Step 6: Final answer
    x = 155,541.03

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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.