Home / 108,924.89-150,315.75-61,178.22

Finding the Fourth Proportional to 108,924.89, 150,315.75 and 61,178.22

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Solution

The fourth proportional to 108,924.89, 150,315.75 and 61,178.22 is: 84,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,924.89 : 150,315.75 = 61,178.22 : x
  2. Step 2: Convert to fraction form
    108,924.89/150,315.75 = 61,178.22/x
  3. Step 3: Cross multiply
    108,924.89x = 150,315.75 × 61,178.22
  4. Step 4: Simplify right side
    108,924.89x = 9,196,050,022.97
  5. Step 5: Solve for x
    x = 9,196,050,022.97/108,924.89
  6. Step 6: Final answer
    x = 84,425.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.